Fixing TV-app layout in landscape mode

[cliffamzn]

The on/off button is hidden in landscape mode if there isn't a scrollview. Adding it here so that it is usable. Also making some minor fixes in some other areas of the layouts to make it a bit nicer.

[github-actions]

PR #25209: Size comparison from e64736c to d22cd2c

Decreases (1 build for nrfconnect)

platform	target	config	section	e64736c	d22cd2c	change	% change
nrfconnect	all-clusters-minimal-app	nrf52840dk_nrf52840	(read/write)	1110108	1110092	-16	-0.0
			text	775988	775984	-4	-0.0

Full report (7 builds for cc32xx, mbed, nrfconnect, qpg)

platform	target	config	section	e64736c	d22cd2c	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	642545	642545	0	0.0
			(read/write)	203664	203664	0	0.0
			.ARM.attributes	44	44	0	0.0
			.ARM.exidx	8	8	0	0.0
			.bss	197064	197064	0	0.0
			.comment	194	194	0	0.0
			.data	1480	1480	0	0.0
			.debug_abbrev	930168	930168	0	0.0
			.debug_aranges	87272	87272	0	0.0
			.debug_frame	299752	299752	0	0.0
			.debug_info	20254060	20254060	0	0.0
			.debug_line	2655143	2655143	0	0.0
			.debug_loc	2795383	2795383	0	0.0
			.debug_ranges	281592	281592	0	0.0
			.debug_str	3017470	3017470	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	105817	105817	0	0.0
			.shstrtab	232	232	0	0.0
			.stab	204	204	0	0.0
			.stabstr	441	441	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	377598	377598	0	0.0
			.symtab	256144	256144	0	0.0
			.text	534604	534604	0	0.0
mbed	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2466784	2466784	0	0.0
			.bss	215780	215780	0	0.0
			.data	5880	5880	0	0.0
			.text	1429428	1429428	0	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read only)	4	4	0	0.0
			(read/write)	1164856	1164856	0	0.0
			bss	143411	143411	0	0.0
			rodata	134852	134852	0	0.0
			text	806744	806744	0	0.0
	all-clusters-minimal-app	nrf52840dk_nrf52840	(read only)	4	4	0	0.0
			(read/write)	1110108	1110092	-16	-0.0
			bss	142567	142567	0	0.0
			rodata	111816	111816	0	0.0
			text	775988	775984	-4	-0.0
	all-clusters-app	nrf7002dk_nrf5340_cpuapp	(read only)	4	4	0	0.0
			(read/write)	1370260	1370260	0	0.0
			bss	105874	105874	0	0.0
			rodata	212288	212288	0	0.0
			text	766580	766580	0	0.0
qpg	lighting-app	qpg6105+debug	(read/write)	1151348	1151348	0	0.0
			.bss	99796	99796	0	0.0
			.data	852	852	0	0.0
			.text	598444	598444	0	0.0
	lock-app	qpg6105+debug	(read/write)	1118356	1118356	0	0.0
			.bss	96284	96284	0	0.0
			.data	864	864	0	0.0
			.text	565456	565456	0	0.0