YARN-11729. Broken 'AM Node Web UI' link on App details page

[K0K0V0K]

Description of PR

• the current link ends with a '/'
• with this ending the RM wont open the link
• to fix the issue we remove the last '/' char from the url

How was this patch tested?

• manually run example job and click on the generated link

For code changes:

• Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
• Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
• If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
• If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

[hadoop-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	17m 27s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+0 🆗	jshint	0m 0s		jshint was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ trunk Compile Tests _
+1 💚	mvninstall	49m 31s		trunk passed
+1 💚	shadedclient	88m 14s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 14s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	shadedclient	39m 40s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	asflicense	0m 38s		The patch does not generate ASF License warnings.
		147m 55s

Subsystem	Report/Notes
Docker	ClientAPI=1.47 ServerAPI=1.47 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7030/1/artifact/out/Dockerfile
GITHUB PR	#7030
Optional Tests	dupname asflicense shadedclient codespell detsecrets jshint
uname	Linux 008e34461045 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 046cbf5
Max. process+thread count	564 (vs. ulimit of 5500)
modules	C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7030/1/console
versions	git=2.25.1 maven=3.6.3
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[brumi1024]

Thanks @K0K0V0K, tested the changes, LGTM.