Cherry-pick: Revert "[ota] Fix exchange context leak in OTA requestor (#20304)"

[ArekBalysNordic]

Problem

There is a problem with the OTA DFU in nRF Connect examples in the SVE branch.
We would like to cherry-pick bd132ee commit that fixes this issue.

Change overview

Cherry picking commit: bd132ee to the SVE branch.

[github-actions]

PR #20675: Size comparison from 6efb05e to be79104

Increases (3 builds for cc13x2_26x2, efr32, telink)

platform	target	config	section	6efb05e	be791047	change	% change
cc13x2_26x2	all-clusters-minimal-app	LP_CC2652R7	(read only)	631843	631851	8	0.0
			.text	554212	554220	8	0.0
efr32	lock-app	BRD4161A+wf200	(read/write)	1128744	1128760	16	0.0
			.text	982476	982492	16	0.0
telink	lighting-app	tlsr9518adk80d	text	581918	581920	2	0.0

Decreases (10 builds for bl602, cyw30739, efr32, linux, nrfconnect)

platform	target	config	section	6efb05e	be791047	change	% change
bl602	lighting-app	bl602	(read/write)	1397498	1397466	-32	-0.0
			.text	1058576	1058544	-32	-0.0
		bl602+rpc	(read/write)	1442930	1442898	-32	-0.0
			.text	1090260	1090228	-32	-0.0
cyw30739	lock	cyw930739m2evb_01	(read/write)	585462	585454	-8	-0.0
			.app_xip_area	459496	459488	-8	-0.0
	ota-requestor-no-progress-logging	cyw930739m2evb_01	(read/write)	582794	582778	-16	-0.0
			.app_xip_area	462412	462396	-16	-0.0
efr32	lighting-app	BRD4161A	(read/write)	1081428	1081412	-16	-0.0
			.text	946364	946348	-16	-0.0
		BRD4161A+rpc	(read/write)	1135748	1135732	-16	-0.0
			.text	983792	983776	-16	-0.0
		BRD4161A+rs911x	(read/write)	947940	947924	-16	-0.0
			.text	805104	805088	-16	-0.0
linux	ota-requestor-app	debug	(read only)	2439217	2439153	-64	-0.0
			.text	2060642	2060578	-64	-0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	text	811392	811388	-4	-0.0
	all-clusters-minimal-app	nrf52840dk_nrf52840	(read/write)	1155391	1155375	-16	-0.0
			text	800836	800828	-8	-0.0

Full report (43 builds for bl602, cc13x2_26x2, cyw30739, efr32, esp32, k32w, linux, mbed, nrfconnect, p6, telink)

platform	target	config	section	6efb05e	be791047	change	% change
bl602	lighting-app	bl602	(read/write)	1397498	1397466	-32	-0.0
			.bss	116978	116978	0	0.0
			.data	4480	4480	0	0.0
			.text	1058576	1058544	-32	-0.0
		bl602+rpc	(read/write)	1442930	1442898	-32	-0.0
			.bss	124418	124418	0	0.0
			.data	4600	4600	0	0.0
			.text	1090260	1090228	-32	-0.0
cc13x2_26x2	all-clusters-app	LP_CC2652R7	(read only)	666043	666043	0	0.0
			(read/write)	185180	185180	0	0.0
			.bss	74116	74116	0	0.0
			.data	3356	3356	0	0.0
			.rodata	88067	88067	0	0.0
			.text	577660	577660	0	0.0
	all-clusters-minimal-app	LP_CC2652R7	(read only)	631843	631851	8	0.0
			(read/write)	157684	157684	0	0.0
			.bss	73412	73412	0	0.0
			.data	3356	3356	0	0.0
			.rodata	77307	77307	0	0.0
			.text	554212	554220	8	0.0
	lock-ftd	LP_CC2652R7	(read only)	668959	668959	0	0.0
			(read/write)	172408	172408	0	0.0
			.bss	71148	71148	0	0.0
			.data	3280	3280	0	0.0
			.rodata	76207	76207	0	0.0
			.text	592272	592272	0	0.0
	lock-mtd	LP_CC2652R7	(read only)	618367	618367	0	0.0
			(read/write)	144264	144264	0	0.0
			.bss	66868	66868	0	0.0
			.data	3280	3280	0	0.0
			.rodata	76087	76087	0	0.0
			.text	541792	541792	0	0.0
	pump-app	LP_CC2652R7	(read only)	678199	678199	0	0.0
			(read/write)	164016	164016	0	0.0
			.bss	71228	71228	0	0.0
			.data	3280	3280	0	0.0
			.rodata	88631	88631	0	0.0
			.text	589084	589084	0	0.0
	pump-controller-app	LP_CC2652R7	(read only)	664023	664023	0	0.0
			(read/write)	178312	178312	0	0.0
			.bss	71348	71348	0	0.0
			.data	3276	3276	0	0.0
			.rodata	84495	84495	0	0.0
			.text	579048	579048	0	0.0
	shell	LP_CC2652R7	(read only)	658542	658542	0	0.0
			(read/write)	188184	188184	0	0.0
			.bss	76420	76420	0	0.0
			.data	3360	3360	0	0.0
			.rodata	84846	84846	0	0.0
			.text	573380	573380	0	0.0
cyw30739	light	cyw930739m2evb_01	(read/write)	579494	579494	0	0.0
			.app_xip_area	458264	458264	0	0.0
			.bss	64184	64184	0	0.0
			.data	716	716	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
	lock	cyw930739m2evb_01	(read/write)	585462	585454	-8	-0.0
			.app_xip_area	459496	459488	-8	-0.0
			.bss	68912	68912	0	0.0
			.data	720	720	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
	ota-requestor-no-progress-logging	cyw930739m2evb_01	(read/write)	582794	582778	-16	-0.0
			.app_xip_area	462412	462396	-16	-0.0
			.bss	63392	63392	0	0.0
			.data	660	660	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
efr32	lighting-app	BRD4161A	(read/write)	1081428	1081412	-16	-0.0
			.bss	132996	132996	0	0.0
			.data	2048	2048	0	0.0
			.text	946364	946348	-16	-0.0
		BRD4161A+rpc	(read/write)	1135748	1135732	-16	-0.0
			.bss	149676	149676	0	0.0
			.data	2260	2260	0	0.0
			.text	983792	983776	-16	-0.0
		BRD4161A+rs911x	(read/write)	947940	947924	-16	-0.0
			.bss	140768	140768	0	0.0
			.data	2048	2048	0	0.0
			.text	805104	805088	-16	-0.0
	lock-app	BRD4161A+wf200	(read/write)	1128744	1128760	16	0.0
			.bss	144184	144184	0	0.0
			.data	2060	2060	0	0.0
			.text	982476	982492	16	0.0
	window-app	BRD4161A	(read/write)	1075228	1075228	0	0.0
			.bss	134468	134468	0	0.0
			.data	2076	2076	0	0.0
			.text	938660	938660	0	0.0
esp32	all-clusters-app	c3devkit	(read only)	1019978	1019978	0	0.0
			(read/write)	1485690	1485690	0	0.0
			.dram0.bss	70080	70080	0	0.0
			.dram0.data	14600	14600	0	0.0
			.flash.rodata	215576	215576	0	0.0
			.flash.text	1019978	1019978	0	0.0
			.iram0.text	62902	62902	0	0.0
		m5stack	(read only)	1073927	1073927	0	0.0
			(read/write)	487760	487760	0	0.0
			.dram0.bss	75600	75600	0	0.0
			.dram0.data	34144	34144	0	0.0
			.flash.rodata	246020	246020	0	0.0
			.flash.text	1068543	1068543	0	0.0
			.iram0.text	123267	123267	0	0.0
k32w	light	k32w061+release	(read/write)	658544	658544	0	0.0
			.bss	69516	69516	0	0.0
			.data	1992	1992	0	0.0
			.text	581236	581236	0	0.0
	lock	k32w061+release	(read/write)	685348	685348	0	0.0
			.bss	69980	69980	0	0.0
			.data	2004	2004	0	0.0
			.text	607564	607564	0	0.0
linux	all-clusters-app	debug	(read only)	2960649	2960649	0	0.0
			(read/write)	154752	154752	0	0.0
			.bss	61536	61536	0	0.0
			.data	2048	2048	0	0.0
			.data.rel.ro	84968	84968	0	0.0
			.dynamic	608	608	0	0.0
			.got	4536	4536	0	0.0
			.init	27	27	0	0.0
			.init_array	1048	1048	0	0.0
			.rodata	263773	263773	0	0.0
			.text	2519666	2519666	0	0.0
	all-clusters-minimal-app	debug	(read only)	2813193	2813193	0	0.0
			(read/write)	146688	146688	0	0.0
			.bss	60864	60864	0	0.0
			.data	2048	2048	0	0.0
			.data.rel.ro	77608	77608	0	0.0
			.dynamic	608	608	0	0.0
			.got	4488	4488	0	0.0
			.init	27	27	0	0.0
			.init_array	1048	1048	0	0.0
			.rodata	265469	265469	0	0.0
			.text	2372690	2372690	0	0.0
	bridge-app	debug+rpc	(read only)	2315241	2315241	0	0.0
			(read/write)	125504	125504	0	0.0
			.bss	48928	48928	0	0.0
			.data	3824	3824	0	0.0
			.data.rel.ro	66984	66984	0	0.0
			.dynamic	608	608	0	0.0
			.got	4392	4392	0	0.0
			.init	27	27	0	0.0
			.init_array	728	728	0	0.0
			.rodata	198144	198144	0	0.0
			.text	1955362	1955362	0	0.0
	chip-tool	debug	(read only)	10332641	10332641	0	0.0
			(read/write)	622240	622240	0	0.0
			.bss	24728	24728	0	0.0
			.data	3234	3234	0	0.0
			.data.rel.ro	587888	587888	0	0.0
			.dynamic	608	608	0	0.0
			.got	5096	5096	0	0.0
			.init	27	27	0	0.0
			.init_array	640	640	0	0.0
			.rodata	515637	515637	0	0.0
			.text	8385316	8385316	0	0.0
	chip-tool-no-interactive-ipv6only	arm64	(read only)	10022164	10022164	0	0.0
			(read/write)	684529	684529	0	0.0
			.bss	42609	42609	0	0.0
			.data	1152	1152	0	0.0
			.data.rel.ro	623432	623432	0	0.0
			.dynamic	528	528	0	0.0
			.got	13520	13520	0	0.0
			.init	24	24	0	0.0
			.init_array	192	192	0	0.0
			.rodata	477732	477732	0	0.0
			.text	7983764	7983764	0	0.0
	lighting-app	debug+rpc	(read only)	2550969	2550969	0	0.0
			(read/write)	129528	129528	0	0.0
			.bss	49440	49440	0	0.0
			.data	2096	2096	0	0.0
			.data.rel.ro	72136	72136	0	0.0
			.dynamic	608	608	0	0.0
			.got	4392	4392	0	0.0
			.init	27	27	0	0.0
			.init_array	816	816	0	0.0
			.rodata	213832	213832	0	0.0
			.text	2167170	2167170	0	0.0
	lock-app	debug	(read only)	2515705	2515705	0	0.0
			(read/write)	124512	124512	0	0.0
			.bss	47840	47840	0	0.0
			.data	1712	1712	0	0.0
			.data.rel.ro	69096	69096	0	0.0
			.dynamic	608	608	0	0.0
			.got	4424	4424	0	0.0
			.init	27	27	0	0.0
			.init_array	792	792	0	0.0
			.rodata	228872	228872	0	0.0
			.text	2121666	2121666	0	0.0
	ota-provider-app	debug	(read only)	2322049	2322049	0	0.0
			(read/write)	118312	118312	0	0.0
			.bss	47488	47488	0	0.0
			.data	1944	1944	0	0.0
			.data.rel.ro	63096	63096	0	0.0
			.dynamic	608	608	0	0.0
			.got	4488	4488	0	0.0
			.init	27	27	0	0.0
			.init_array	672	672	0	0.0
			.rodata	203608	203608	0	0.0
			.text	1955666	1955666	0	0.0
	ota-requestor-app	debug	(read only)	2439217	2439153	-64	-0.0
			(read/write)	125216	125216	0	0.0
			.bss	49856	49856	0	0.0
			.data	2232	2232	0	0.0
			.data.rel.ro	67288	67288	0	0.0
			.dynamic	608	608	0	0.0
			.got	4480	4480	0	0.0
			.init	27	27	0	0.0
			.init_array	728	728	0	0.0
			.rodata	207424	207424	0	0.0
			.text	2060642	2060578	-64	-0.0
	shell	debug	(read only)	2550977	2550977	0	0.0
			(read/write)	141104	141104	0	0.0
			.bss	57448	57448	0	0.0
			.data	1264	1264	0	0.0
			.data.rel.ro	76688	76688	0	0.0
			.dynamic	608	608	0	0.0
			.got	4136	4136	0	0.0
			.init	27	27	0	0.0
			.init_array	928	928	0	0.0
			.rodata	227890	227890	0	0.0
			.text	2165986	2165986	0	0.0
	thermostat-no-ble	arm64	(read only)	2595044	2595044	0	0.0
			(read/write)	158289	158289	0	0.0
			.bss	65249	65249	0	0.0
			.data	1704	1704	0	0.0
			.data.rel.ro	83240	83240	0	0.0
			.dynamic	528	528	0	0.0
			.got	5072	5072	0	0.0
			.init	24	24	0	0.0
			.init_array	400	400	0	0.0
			.rodata	165604	165604	0	0.0
			.text	2189664	2189664	0	0.0
	tv-app	debug	(read only)	3101969	3101969	0	0.0
			(read/write)	257704	257704	0	0.0
			.bss	167016	167016	0	0.0
			.data	4848	4848	0	0.0
			.data.rel.ro	79392	79392	0	0.0
			.dynamic	608	608	0	0.0
			.got	4848	4848	0	0.0
			.init	27	27	0	0.0
			.init_array	952	952	0	0.0
			.rodata	249152	249152	0	0.0
			.text	2664914	2664914	0	0.0
	tv-casting-app	debug	(read only)	5577577	5577577	0	0.0
			(read/write)	161968	161968	0	0.0
			.bss	50248	50248	0	0.0
			.data	2416	2416	0	0.0
			.data.rel.ro	103048	103048	0	0.0
			.dynamic	608	608	0	0.0
			.got	4744	4744	0	0.0
			.init	27	27	0	0.0
			.init_array	864	864	0	0.0
			.rodata	343337	343337	0	0.0
			.text	4956290	4956290	0	0.0
mbed	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2448168	2448168	0	0.0
			.bss	213940	213940	0	0.0
			.data	5872	5872	0	0.0
			.text	1410812	1410812	0	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read/write)	1175183	1175183	0	0.0
			bss	142900	142900	0	0.0
			rodata	142008	142008	0	0.0
			text	811392	811388	-4	-0.0
	all-clusters-minimal-app	nrf52840dk_nrf52840	(read/write)	1155391	1155375	-16	-0.0
			bss	142136	142136	0	0.0
			rodata	133536	133536	0	0.0
			text	800836	800828	-8	-0.0
p6	all-clusters-app	default	(read/write)	2565400	2565400	0	0.0
			.bss	149120	149120	0	0.0
			.data	2776	2776	0	0.0
			.text	1523664	1523664	0	0.0
	all-clusters-minimal-app	default	(read/write)	2510456	2510456	0	0.0
			.bss	148400	148400	0	0.0
			.data	2776	2776	0	0.0
			.text	1468720	1468720	0	0.0
	light-app	default	(read/write)	2440744	2440744	0	0.0
			.bss	140456	140456	0	0.0
			.data	2592	2592	0	0.0
			.text	1399008	1399008	0	0.0
	lock-app	default	(read/write)	2468008	2468008	0	0.0
			.bss	140304	140304	0	0.0
			.data	2600	2600	0	0.0
			.text	1426272	1426272	0	0.0
telink	light-switch-app	tlsr9518adk80d	(read/write)	797332	797332	0	0.0
			bss	70576	70576	0	0.0
			noinit	40416	40416	0	0.0
			text	565596	565596	0	0.0
	lighting-app	tlsr9518adk80d	(read/write)	817156	817156	0	0.0
			bss	71420	71420	0	0.0
			noinit	40416	40416	0	0.0
			text	581918	581920	2	0.0