YQ-4263 PrivateApi: remove weak_from_this / to stable

[kardymonds]

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[ydbot]

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Run additional tests for this PR. You can customize:

• Test Size: small, medium, large (default: all)
• Test Targets: any directory path (default: ydb/)
• Sanitizers: ASAN, MSAN, TSAN
• Coredumps: enable for debugging (default: off)
• Additional args: custom ya make arguments

[github-actions]

⚪ 2025-12-12 07:36:05 UTC Pre-commit check linux-x86_64-relwithdebinfo for 3ef71a5 has started.
⚪ 2025-12-12 07:36:20 UTC Artifacts will be uploaded here
⚪ 2025-12-12 07:39:09 UTC ya make is running...
🟡 2025-12-12 08:52:18 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
27236	24534	0	19	2644	39

⚪ 2025-12-12 08:52:27 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-12-12 09:18:05 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
641 (only retried tests)	597	0	4	2	38

⚪ 2025-12-12 09:18:08 UTC ya make is running... (failed tests rerun, try 3)
🔴 2025-12-12 09:50:38 UTC Some tests failed, follow the links below.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
355 (only retried tests)	299	0	6	8	42

🟢 2025-12-12 09:50:46 UTC Build successful.
🟢 2025-12-12 09:51:09 UTC ydbd size 2.2 GiB changed* by -115.8 MiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 017c585	merge: 3ef71a5	diff	diff %
ydbd size	2 468 728 488 Bytes	2 347 289 928 Bytes	-115.8 MiB	-4.919%
ydbd stripped size	525 341 088 Bytes	493 398 112 Bytes	-30.5 MiB	-6.080%

^{*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]

⚪ 2025-12-12 07:36:29 UTC Pre-commit check linux-x86_64-release-asan for 3ef71a5 has started.
⚪ 2025-12-12 07:36:45 UTC Artifacts will be uploaded here
⚪ 2025-12-12 07:39:33 UTC ya make is running...
🟡 2025-12-12 09:01:29 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
12663	12468	0	127	47	21

⚪ 2025-12-12 09:01:34 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-12-12 09:31:15 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
1255 (only retried tests)	1147	0	57	29	22

⚪ 2025-12-12 09:31:18 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-12-12 09:58:07 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
883 (only retried tests)	781	0	54	28	20

🟢 2025-12-12 09:58:10 UTC Build successful.
🟢 2025-12-12 09:58:40 UTC ydbd size 3.8 GiB changed* by -4.8 MiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 017c585	merge: 3ef71a5	diff	diff %
ydbd size	4 134 132 184 Bytes	4 129 145 896 Bytes	-4.8 MiB	-0.121%
ydbd stripped size	1 534 512 760 Bytes	1 430 720 472 Bytes	-99.0 MiB	-6.764%

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