24-3: Do not lose ScanShards when altering

[CyberROFL]

Changelog entry

Fixed a bug where an invariant could be violated in SchemeShard after the CDC initial scan.

Changelog category

• Bugfix

Additional information

...

[github-actions]

⚪ 2024-09-17 12:51:33 UTC Pre-commit check for 57428eb has started.
⚪ 2024-09-17 12:54:07 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-09-17 13:03:19 UTC Build successful.

[github-actions]

⚪ 2024-09-17 12:52:52 UTC Pre-commit check for 57428eb has started.
⚪ 2024-09-17 12:55:28 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-09-17 13:36:24 UTC Build successful.
⚪ 2024-09-17 13:36:41 UTC Tests are running...
🔴 2024-09-17 15:20:21 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
38553	33306	0	6	5212	29

🟡 2024-09-17 15:21:08 UTC ydbd size 8.2 GiB changed* by +535.4 KiB, which is >= 100.0 KiB vs stable-24-3: Warning

ydbd size dash	stable-24-3: 4255d09	merge: 57428eb	diff	diff %
ydbd size	8 762 487 056 Bytes	8 763 035 352 Bytes	+535.4 KiB	+0.006%
ydbd stripped size	479 058 024 Bytes	479 068 520 Bytes	+10.2 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]

⚪ 2024-09-17 12:55:21 UTC Pre-commit check for 57428eb has started.
⚪ 2024-09-17 12:57:55 UTC Build linux-x86_64-release-asan is running...
🟢 2024-09-17 13:22:34 UTC Build successful.
⚪ 2024-09-17 13:22:49 UTC Tests are running...
🔴 2024-09-17 15:21:03 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
10019	9954	0	7	26	32

🟢 2024-09-17 15:21:50 UTC ydbd size 5.5 GiB changed* by +4.4 KiB, which is < 100.0 KiB vs stable-24-3: OK

ydbd size dash	stable-24-3: c68e211	merge: 57428eb	diff	diff %
ydbd size	5 935 967 176 Bytes	5 935 971 648 Bytes	+4.4 KiB	+0.000%
ydbd stripped size	1 488 130 528 Bytes	1 488 131 680 Bytes	+1.1 KiB	+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}