correctly handle follower count = 0

[vporyadke]

Changelog entry

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Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

fixes #18703

[github-actions]

⚪ 2025-05-22 18:49:49 UTC Pre-commit check linux-x86_64-relwithdebinfo for db6154e has started.
⚪ 2025-05-22 18:50:09 UTC Artifacts will be uploaded here
⚪ 2025-05-22 18:53:24 UTC ya make is running...
⚫ 2025-05-22 19:03:10 UTC Check cancelled

[github-actions]

🟢 2025-05-22 18:50:55 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-05-22 18:51:02 UTC Pre-commit check linux-x86_64-release-asan for db6154e has started.
⚪ 2025-05-22 18:51:16 UTC Artifacts will be uploaded here
⚪ 2025-05-22 18:54:20 UTC ya make is running...
⚫ 2025-05-22 19:03:05 UTC Check cancelled

[github-actions]

⚪ 2025-05-22 19:07:01 UTC Pre-commit check linux-x86_64-release-asan for 353d4a4 has started.
⚪ 2025-05-22 19:07:12 UTC Artifacts will be uploaded here
⚪ 2025-05-22 19:10:10 UTC ya make is running...
🟡 2025-05-22 20:42:33 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Details

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
13332	13181	0	81	46	24

⚪ 2025-05-22 20:43:44 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-05-22 21:17:30 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Details

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
1633 (only retried tests)	1521	0	55	34	23

⚪ 2025-05-22 21:17:47 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-05-22 21:46:53 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
1213 (only retried tests)	1135	0	50	8	20

🟢 2025-05-22 21:47:14 UTC Build successful.
🟢 2025-05-22 21:48:04 UTC ydbd size 3.9 GiB changed* by -128 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 6cb271e	merge: 353d4a4	diff	diff %
ydbd size	4 145 501 336 Bytes	4 145 501 208 Bytes	-128 Bytes	-0.000%
ydbd stripped size	1 439 190 296 Bytes	1 439 190 232 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]

⚪ 2025-05-22 19:07:04 UTC Pre-commit check linux-x86_64-relwithdebinfo for 353d4a4 has started.
⚪ 2025-05-22 19:07:18 UTC Artifacts will be uploaded here
⚪ 2025-05-22 19:10:18 UTC ya make is running...
🟡 2025-05-22 20:19:13 UTC Some tests failed, follow the links below. Going to retry failed tests...

Details

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
21263	19869	0	6	1340	48

⚪ 2025-05-22 20:21:10 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-05-22 20:46:21 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
844 (only retried tests)	797	0	0	14	33

🟢 2025-05-22 20:46:33 UTC Build successful.
🟢 2025-05-22 20:46:54 UTC ydbd size 2.2 GiB changed* by 0 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 6cb271e	merge: 353d4a4	diff	diff %
ydbd size	2 357 264 368 Bytes	2 357 264 368 Bytes	0 Bytes	0.000%
ydbd stripped size	495 229 832 Bytes	495 229 832 Bytes	0 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}