Fix uninitialized value in BSC (merge from main #15498)

[alexvru]

Changelog entry

Fix uninitialized value in BSC

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

Fixed default box id in BSC.

[github-actions]

⚪ 2025-03-10 09:38:40 UTC Pre-commit check linux-x86_64-relwithdebinfo for 782a35b has started.
⚪ 2025-03-10 09:38:56 UTC Artifacts will be uploaded here
⚪ 2025-03-10 09:41:46 UTC ya make is running...
🟡 2025-03-10 10:43:44 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?
19135	17770	0	5	1213	147

⚪ 2025-03-10 10:45:17 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-03-10 11:06:37 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
219 (only retried tests)	85	0	0	1	133

🟢 2025-03-10 11:06:46 UTC Build successful.
🟢 2025-03-10 11:07:06 UTC ydbd size 2.1 GiB changed* by +16 Bytes, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: 4a97653	merge: 782a35b	diff	diff %
ydbd size	2 242 350 552 Bytes	2 242 350 568 Bytes	+16 Bytes	+0.000%
ydbd stripped size	474 913 848 Bytes	474 913 848 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}

[github-actions]

⚪ 2025-03-10 09:39:43 UTC Pre-commit check linux-x86_64-release-asan for 782a35b has started.
⚪ 2025-03-10 09:39:57 UTC Artifacts will be uploaded here
⚪ 2025-03-10 09:42:45 UTC ya make is running...
🟡 2025-03-10 10:53:57 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?
11806	11695	0	63	11	37

⚪ 2025-03-10 10:55:02 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-03-10 11:17:19 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?
153 (only retried tests)	115	0	3	0	35

⚪ 2025-03-10 11:17:30 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-03-10 11:42:40 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?
67 (only retried tests)	29	0	3	0	35

🟢 2025-03-10 11:42:49 UTC Build successful.
🟢 2025-03-10 11:43:17 UTC ydbd size 3.6 GiB changed* by -96 Bytes, which is <= 0 Bytes vs stable-25-1: OK

ydbd size dash	stable-25-1: 4a97653	merge: 782a35b	diff	diff %
ydbd size	3 900 617 336 Bytes	3 900 617 240 Bytes	-96 Bytes	-0.000%
ydbd stripped size	1 365 186 896 Bytes	1 365 186 832 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}