25-1: Fix -d /Root in ydb admin cluster dump

[pixcc]

Changelog entry

Fixed scheme error in ydb admin cluster dump when specifying a domain database. #16262

Changelog category

• Bugfix

Description for reviewers

Cherry-picked from #16943

[github-actions]

🟢 2025-04-09 10:31:40 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-04-09 10:31:23 UTC Pre-commit check linux-x86_64-relwithdebinfo for 200359c has started.
⚪ 2025-04-09 10:31:39 UTC Artifacts will be uploaded here
⚪ 2025-04-09 10:34:13 UTC ya make is running...
🟢 2025-04-09 11:13:43 UTC Tests successful.

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
5343	5211	0	0	48	84

🟢 2025-04-09 11:14:15 UTC Build successful.
🟢 2025-04-09 11:14:26 UTC ydbd size 2.1 GiB changed* by -56 Bytes, which is <= 0 Bytes vs stable-25-1: OK

ydbd size dash	stable-25-1: f48d844	merge: 200359c	diff	diff %
ydbd size	2 244 528 904 Bytes	2 244 528 848 Bytes	-56 Bytes	-0.000%
ydbd stripped size	475 242 360 Bytes	475 242 360 Bytes	0 Bytes	0.000%

^{*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]

⚪ 2025-04-09 10:32:43 UTC Pre-commit check linux-x86_64-release-asan for 200359c has started.
⚪ 2025-04-09 10:32:58 UTC Artifacts will be uploaded here
⚪ 2025-04-09 10:35:29 UTC ya make is running...
🟡 2025-04-09 11:17:55 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?
2367	2339	0	7	8	13

⚪ 2025-04-09 11:18:14 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-04-09 11:40:51 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
35 (only retried tests)	22	0	0	1	12

🟢 2025-04-09 11:40:58 UTC Build successful.
🟢 2025-04-09 11:41:15 UTC ydbd size 3.6 GiB changed* by -96 Bytes, which is <= 0 Bytes vs stable-25-1: OK

ydbd size dash	stable-25-1: f3cd7e2	merge: 200359c	diff	diff %
ydbd size	3 904 422 144 Bytes	3 904 422 048 Bytes	-96 Bytes	-0.000%
ydbd stripped size	1 366 139 024 Bytes	1 366 138 960 Bytes	-64 Bytes	-0.000%

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