Fix generator state work

[iddqdex]

Исправил ошибку. Состояние генератора некорректно учитывало многопоточность отправки. Теперь честный Guard.

[github-actions]

⚪ 2024-07-02 18:34:12 UTC Pre-commit check for 9d29e83 has started.
⚪ 2024-07-02 18:37:04 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-07-02 19:13:36 UTC Build successful.
⚪ 2024-07-02 19:13:52 UTC Tests are running...
🔴 2024-07-02 20:34:27 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
13723	12408	0	3	1302	10

🟢 2024-07-02 20:35:02 UTC ydbd size 8.3 GiB changed* by -20.0 MiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 29e3cb4	merge: 9d29e83	diff	diff %
ydbd size	8 946 688 360 Bytes	8 925 695 672 Bytes	-20.0 MiB	-0.235%
ydbd stripped size	487 865 320 Bytes	486 777 448 Bytes	-1.0 MiB	-0.223%

^{*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]

⚪ 2024-07-02 18:41:30 UTC Pre-commit check for 9d29e83 has started.
⚪ 2024-07-02 18:44:24 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-07-02 18:49:07 UTC Build successful.

[github-actions]

⚪ 2024-07-02 19:00:50 UTC Pre-commit check for 9d29e83 has started.
⚪ 2024-07-02 19:03:55 UTC Build linux-x86_64-release-asan is running...
🟢 2024-07-02 19:26:03 UTC Build successful.
⚪ 2024-07-02 19:26:16 UTC Tests are running...
🔴 2024-07-02 21:21:54 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
9615	9035	0	86	320	174

🟢 2024-07-02 21:22:37 UTC ydbd size 5.4 GiB changed* by -15.0 MiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: bc07740	merge: 9d29e83	diff	diff %
ydbd size	5 829 845 280 Bytes	5 814 141 824 Bytes	-15.0 MiB	-0.269%
ydbd stripped size	1 251 540 008 Bytes	1 247 810 280 Bytes	-3.6 MiB	-0.298%

^{*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]

⚪ 2024-07-03 13:43:13 UTC Pre-commit check for 7155dbc has started.
⚪ 2024-07-03 13:46:16 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-07-03 14:21:58 UTC Build successful.

[github-actions]

⚪ 2024-07-03 14:09:56 UTC Pre-commit check for 7155dbc has started.
⚪ 2024-07-03 14:12:43 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-07-03 15:06:08 UTC Build successful.
⚪ 2024-07-03 15:06:21 UTC Tests are running...
🔴 2024-07-03 16:37:22 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
13721	12405	0	1	1305	10

🟢 2024-07-03 16:37:57 UTC ydbd size 8.2 GiB changed* by -145.1 MiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: bd87563	merge: 7155dbc	diff	diff %
ydbd size	8 926 807 928 Bytes	8 774 655 040 Bytes	-145.1 MiB	-1.704%
ydbd stripped size	486 814 568 Bytes	482 662 312 Bytes	-4.0 MiB	-0.853%

^{*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]

⚪ 2024-07-03 14:11:19 UTC Pre-commit check for 7155dbc has started.
⚪ 2024-07-03 14:14:29 UTC Build linux-x86_64-release-asan is running...
🟢 2024-07-03 14:56:06 UTC Build successful.
⚪ 2024-07-03 14:56:22 UTC Tests are running...
🔴 2024-07-03 16:53:49 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
9614	9031	0	85	327	171

🟢 2024-07-03 16:54:31 UTC ydbd size 5.3 GiB changed* by -98.2 MiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: bd87563	merge: 7155dbc	diff	diff %
ydbd size	5 814 908 560 Bytes	5 711 962 448 Bytes	-98.2 MiB	-1.770%
ydbd stripped size	1 247 931 016 Bytes	1 235 232 968 Bytes	-12.1 MiB	-1.018%

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