[C++ SDK] Fixed bad cred provider destroying

[Gazizonoki]

Changelog entry

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Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

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[github-actions]

⚪ 2025-10-08 16:51:00 UTC Pre-commit check linux-x86_64-relwithdebinfo for 3e8198d has started.
⚪ 2025-10-08 16:51:44 UTC Artifacts will be uploaded here
⚪ 2025-10-08 16:55:54 UTC ya make is running...
🟡 2025-10-08 18:27:14 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39968	37006	0	8	2917	37

⚪ 2025-10-08 18:27:23 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-10-08 18:45:46 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?
1298 (only retried tests)	1199	0	2	77	20

⚪ 2025-10-08 18:45:49 UTC ya make is running... (failed tests rerun, try 3)
🔴 2025-10-08 19:00:01 UTC Some tests failed, follow the links below.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
547 (only retried tests)	523	0	2	1	21

🟢 2025-10-08 19:00:06 UTC Build successful.
🟢 2025-10-08 19:00:25 UTC ydbd size 2.3 GiB changed* by +3.9 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 1972758	merge: 3e8198d	diff	diff %
ydbd size	2 418 031 144 Bytes	2 418 035 168 Bytes	+3.9 KiB	+0.000%
ydbd stripped size	515 031 176 Bytes	515 034 824 Bytes	+3.6 KiB	+0.001%

^{*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]

🟢 2025-10-08 16:51:01 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-10-08 16:53:44 UTC Pre-commit check linux-x86_64-release-asan for 3e8198d has started.
⚪ 2025-10-08 16:54:01 UTC Artifacts will be uploaded here
⚪ 2025-10-08 16:57:56 UTC ya make is running...
🟡 2025-10-08 19:15:53 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
16993	16492	0	185	290	26

🟢 2025-10-08 19:16:00 UTC Build successful.
🟢 2025-10-08 19:16:25 UTC ydbd size 3.7 GiB changed* by +2.4 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 1972758	merge: 3e8198d	diff	diff %
ydbd size	4 021 828 736 Bytes	4 021 831 232 Bytes	+2.4 KiB	+0.000%
ydbd stripped size	1 494 064 512 Bytes	1 494 066 432 Bytes	+1.9 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]

⚪ 2025-10-08 19:39:35 UTC Pre-commit check linux-x86_64-relwithdebinfo for efb07d3 has started.
⚪ 2025-10-08 19:39:49 UTC Artifacts will be uploaded here
⚪ 2025-10-08 19:43:25 UTC ya make is running...
🟡 2025-10-08 21:11:22 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39968	37183	0	8	2747	30

⚪ 2025-10-08 21:11:43 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-10-08 21:29:58 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?
693 (only retried tests)	665	0	2	2	24

⚪ 2025-10-08 21:30:00 UTC ya make is running... (failed tests rerun, try 3)
🔴 2025-10-08 21:48:28 UTC Some tests failed, follow the links below.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
529 (only retried tests)	502	0	3	1	23

🟢 2025-10-08 21:48:30 UTC Build successful.
🟢 2025-10-08 21:48:50 UTC ydbd size 2.3 GiB changed* by +3.9 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 69a3522	merge: efb07d3	diff	diff %
ydbd size	2 418 031 144 Bytes	2 418 035 168 Bytes	+3.9 KiB	+0.000%
ydbd stripped size	515 031 176 Bytes	515 034 824 Bytes	+3.6 KiB	+0.001%

^{*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]

⚪ 2025-10-08 19:39:42 UTC Pre-commit check linux-x86_64-release-asan for efb07d3 has started.
⚪ 2025-10-08 19:39:56 UTC Artifacts will be uploaded here
⚪ 2025-10-08 19:43:35 UTC ya make is running...
🟡 2025-10-08 21:47:06 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
16993	16487	0	180	307	19

🟢 2025-10-08 21:47:11 UTC Build successful.
🟢 2025-10-08 21:47:33 UTC ydbd size 3.7 GiB changed* by +2.4 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 69a3522	merge: efb07d3	diff	diff %
ydbd size	4 021 828 736 Bytes	4 021 831 232 Bytes	+2.4 KiB	+0.000%
ydbd stripped size	1 494 064 512 Bytes	1 494 066 432 Bytes	+1.9 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}