[stable-25-2-1] speed up the TValue::HasValue method

[ubyte]

LOGBROKER-10046

Changelog entry

...

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

#27748

[github-actions]

⚪ 2025-10-31 09:19:41 UTC Pre-commit check linux-x86_64-relwithdebinfo for f7ff77b has started.
⚪ 2025-10-31 09:19:56 UTC Artifacts will be uploaded here
⚪ 2025-10-31 09:23:05 UTC ya make is running...
🟡 2025-10-31 10:26:20 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
35683	33145	0	3	2483	52

⚪ 2025-10-31 10:29:26 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-10-31 10:58:07 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
115 (only retried tests)	73	0	0	1	41

🟢 2025-10-31 10:58:14 UTC Build successful.
🟢 2025-10-31 10:58:32 UTC ydbd size 2.2 GiB changed* by +3.0 KiB, which is < 100.0 KiB vs stable-25-2-1: OK

ydbd size dash	stable-25-2-1: e620050	merge: f7ff77b	diff	diff %
ydbd size	2 326 861 256 Bytes	2 326 864 336 Bytes	+3.0 KiB	+0.000%
ydbd stripped size	487 575 368 Bytes	487 575 304 Bytes	-64 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]

⚪ 2025-10-31 09:19:42 UTC Pre-commit check linux-x86_64-release-asan for f7ff77b has started.
⚪ 2025-10-31 09:19:58 UTC Artifacts will be uploaded here
⚪ 2025-10-31 09:23:05 UTC ya make is running...
🟡 2025-10-31 10:32:57 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14601	14365	0	86	110	40

⚪ 2025-10-31 10:34:08 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-10-31 10:48:13 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
287 (only retried tests)	249	0	1	6	31

⚪ 2025-10-31 10:48:22 UTC ya make is running... (failed tests rerun, try 3)
🟢 2025-10-31 11:01:31 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
66 (only retried tests)	32	0	0	5	29

🟢 2025-10-31 11:01:38 UTC Build successful.
🟢 2025-10-31 11:02:03 UTC ydbd size 3.8 GiB changed* by +9.2 KiB, which is < 100.0 KiB vs stable-25-2-1: OK

ydbd size dash	stable-25-2-1: e620050	merge: f7ff77b	diff	diff %
ydbd size	4 049 702 912 Bytes	4 049 712 320 Bytes	+9.2 KiB	+0.000%
ydbd stripped size	1 409 593 880 Bytes	1 409 596 952 Bytes	+3.0 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}

[github-actions]

🟢 2025-10-31 09:27:08 UTC The validation of the Pull Request description is successful.