Fix race condition: restart of SchemeShard tablet & CDC Initial Scan completion

[CyberROFL]

Changelog entry

Fix race condition: restart of SchemeShard tablet & CDC Initial Scan completion.

Changelog category

• Bugfix

Additional information

...

[github-actions]

⚪ 2024-06-26 12:22:38 UTC Pre-commit check for d17e400 has started.
⚪ 2024-06-26 12:25:08 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-06-26 12:30:53 UTC Build successful.

[github-actions]

⚪ 2024-06-26 12:27:59 UTC Pre-commit check for d17e400 has started.
⚪ 2024-06-26 12:30:24 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-06-26 12:34:12 UTC Build successful.
⚪ 2024-06-26 12:34:21 UTC Tests are running...
🔴 2024-06-26 13:59:10 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
13190	11870	0	4	1293	23

🟡 2024-06-26 13:59:52 UTC ydbd size 8.4 GiB changed* by +100.5 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 5c3d5c3	merge: d17e400	diff	diff %
ydbd size	9 012 735 664 Bytes	9 012 838 568 Bytes	+100.5 KiB	+0.001%
ydbd stripped size	491 995 112 Bytes	491 998 888 Bytes	+3.7 KiB	+0.001%

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