24-3-9-hotfix: 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 12:56:47 UTC Pre-commit check for 2b5969e has started.
⚪ 2024-09-17 12:59:27 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-09-17 13:09:21 UTC Build successful.

[github-actions]

⚪ 2024-09-17 12:56:54 UTC Pre-commit check for 2b5969e has started.
⚪ 2024-09-17 12:59:35 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-09-17 13:41:20 UTC Build successful.
⚪ 2024-09-17 13:41:36 UTC Tests are running...
🔴 2024-09-17 15:30:23 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
38549	33301	0	6	5212	30

🟢 2024-09-17 15:31:16 UTC ydbd size 8.2 GiB changed* by +2.5 KiB, which is < 100.0 KiB vs stable-24-3-9-hotfix: OK

ydbd size dash	stable-24-3-9-hotfix: cbd539e	merge: 2b5969e	diff	diff %
ydbd size	8 761 399 560 Bytes	8 761 402 080 Bytes	+2.5 KiB	+0.000%
ydbd stripped size	479 021 512 Bytes	479 021 768 Bytes	+256 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]

⚪ 2024-09-17 12:57:45 UTC Pre-commit check for 2b5969e has started.
⚪ 2024-09-17 13:00:20 UTC Build linux-x86_64-release-asan is running...
🟢 2024-09-17 13:25:45 UTC Build successful.
⚪ 2024-09-17 13:26:02 UTC Tests are running...
🔴 2024-09-17 15:22:33 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
10015	9951	0	4	26	34

🟢 2024-09-17 15:23:14 UTC ydbd size 5.5 GiB changed* by +4.4 KiB, which is < 100.0 KiB vs stable-24-3-9-hotfix: OK

ydbd size dash	stable-24-3-9-hotfix: cbd539e	merge: 2b5969e	diff	diff %
ydbd size	5 934 964 576 Bytes	5 934 969 056 Bytes	+4.4 KiB	+0.000%
ydbd stripped size	1 487 947 488 Bytes	1 487 948 640 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}