YT block input fix for empty input

[loochek]

Changelog entry

YT block input fix for empty input

Changelog category

• Bugfix

[github-actions]

Hi! Thank you for contributing!
The tests on this PR will run after a maintainer adds an ok-to-test label to this PR manually. Thank you for your patience!

[github-actions]

⚪ 2024-11-14 13:11:17 UTC Pre-commit check linux-x86_64-relwithdebinfo for 9044e1f has started.
⚪ 2024-11-14 13:11:29 UTC Artifacts will be uploaded here
⚪ 2024-11-14 13:14:35 UTC ya make is running...
🟡 2024-11-14 14:19:34 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?
73942	59835	0	11	13984	112

⚪ 2024-11-14 14:26:29 UTC ya make is running... (failed tests rerun, try 2)
🟢 2024-11-14 14:38:04 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
116 (only retried tests)	9	0	0	0	107

🟢 2024-11-14 14:38:11 UTC Build successful.
🟢 2024-11-14 14:38:30 UTC ydbd size 2.8 GiB changed* by +3.0 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 3bca1eb	merge: 9044e1f	diff	diff %
ydbd size	3 052 982 032 Bytes	3 052 985 072 Bytes	+3.0 KiB	+0.000%
ydbd stripped size	483 021 152 Bytes	483 021 664 Bytes	+512 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]

⚪ 2024-11-14 13:13:40 UTC Pre-commit check linux-x86_64-release-asan for 9044e1f has started.
⚪ 2024-11-14 13:13:50 UTC Artifacts will be uploaded here
⚪ 2024-11-14 13:16:50 UTC ya make is running...
🟡 2024-11-14 14:31:12 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
9311	9170	0	49	45	47

🟢 2024-11-14 14:32:02 UTC Build successful.
🟢 2024-11-14 14:32:36 UTC ydbd size 5.8 GiB changed* by -2.3 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: c6e9a17	merge: 9044e1f	diff	diff %
ydbd size	6 179 273 040 Bytes	6 179 270 656 Bytes	-2.3 KiB	-0.000%
ydbd stripped size	1 540 776 496 Bytes	1 540 776 176 Bytes	-320 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}