24-3: schemeshard: make direct creation of TAlterExtSubDomain impossible

[ijon]

KIKIMR-21965

Enforce creation of TAlterExtSubDomain operations only through CreateCompatibleAlterExtSubDomain() to ensure all proper state checking.

Changelog category

• Not for changelog

[github-actions]

⚪ 2024-09-12 15:50:54 UTC Pre-commit check for 33a166e has started.
⚪ 2024-09-12 15:53:33 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-09-12 16:02:13 UTC Build successful.

[github-actions]

⚪ 2024-09-12 15:53:02 UTC Pre-commit check for 33a166e has started.
⚪ 2024-09-12 15:56:11 UTC Build linux-x86_64-release-asan is running...
🟢 2024-09-12 16:20:16 UTC Build successful.
⚪ 2024-09-12 16:20:28 UTC Tests are running...
🔴 2024-09-12 18:11:16 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
9918	9852	0	5	26	35

🟢 2024-09-12 18:11:53 UTC ydbd size 5.5 GiB changed* by +8.1 KiB, which is < 100.0 KiB vs stable-24-3: OK

ydbd size dash	stable-24-3: 65caa64	merge: 33a166e	diff	diff %
ydbd size	5 935 537 784 Bytes	5 935 546 056 Bytes	+8.1 KiB	+0.000%
ydbd stripped size	1 488 031 840 Bytes	1 488 033 376 Bytes	+1.5 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}

[ijon]

Replaced by #9201