[stable-25-1] Distconfig fixes part 2

[Enjection]

• Add EnableConfigV2 option to allow enabling/disabling v2 configuration for migration purposes (Add EnableConfigV2 option to allow enabling/disabling v2 configuration for migration purposes #16066)
• Fix metadata handling in BSC, distconf and Console (Fix metadata handling in BSC, distconf and Console #16246)
• Support idempotent configuration change and check cluster name when replacing config (Support idempotent configuration change and check cluster name when replacing config #16280)

Changelog entry

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Changelog category

• New feature
• Experimental feature
• Improvement
• Performance improvement
• User Interface
• Bugfix
• Backward incompatible change
• Documentation (changelog entry is not required)
• Not for changelog (changelog entry is not required)

Description for reviewers

...

[github-actions]

🟢 2025-03-26 20:10:59 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-03-26 20:13:25 UTC Pre-commit check linux-x86_64-release-asan for eafd5f0 has started.
⚪ 2025-03-26 20:13:41 UTC Artifacts will be uploaded here
⚪ 2025-03-26 20:16:55 UTC ya make is running...
🟡 2025-03-26 22:02:29 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Details

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
13868	13751	0	76	6	35

⚪ 2025-03-26 22:03:43 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-03-26 22:24:09 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
166 (only retried tests)	132	0	0	1	33

🟢 2025-03-26 22:24:18 UTC Build successful.
🟢 2025-03-26 22:24:43 UTC ydbd size 3.6 GiB changed* by +67.7 KiB, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: 5b416ec	merge: eafd5f0	diff	diff %
ydbd size	3 902 600 704 Bytes	3 902 670 072 Bytes	+67.7 KiB	+0.002%
ydbd stripped size	1 365 732 944 Bytes	1 365 758 768 Bytes	+25.2 KiB	+0.002%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-03-26 20:13:54 UTC Pre-commit check linux-x86_64-relwithdebinfo for eafd5f0 has started.
⚪ 2025-03-26 20:14:39 UTC Artifacts will be uploaded here
⚪ 2025-03-26 20:18:34 UTC ya make is running...
🟢 2025-03-26 22:02:06 UTC Tests successful.

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
28144	25534	0	0	2476	134

🟢 2025-03-26 22:04:33 UTC Build successful.
🟢 2025-03-26 22:04:48 UTC ydbd size 2.1 GiB changed* by +39.5 KiB, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: 5b416ec	merge: eafd5f0	diff	diff %
ydbd size	2 243 407 160 Bytes	2 243 447 616 Bytes	+39.5 KiB	+0.002%
ydbd stripped size	475 086 200 Bytes	475 096 408 Bytes	+10.0 KiB	+0.002%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}