Fix metadata processing on SectorMap (merge from main #15418)

[alexvru]

Changelog entry

Fix metadata processing on SectorMap

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

This patch fixes calculation of SectorMap size leading to possibility of using distconf.

[github-actions]

⚪ 2025-03-07 07:12:05 UTC Pre-commit check linux-x86_64-release-asan for 33f6d6c has started.
⚪ 2025-03-07 07:12:32 UTC Artifacts will be uploaded here
⚪ 2025-03-07 07:15:37 UTC ya make is running...
🟡 2025-03-07 08:56:56 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?
13719	13644	0	28	5	42

⚪ 2025-03-07 08:58:06 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-03-07 09:18:51 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
126 (only retried tests)	86	0	0	3	37

🟢 2025-03-07 09:19:00 UTC Build successful.
🟢 2025-03-07 09:19:27 UTC ydbd size 3.6 GiB changed* by +160 Bytes, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: 0b23813	merge: 33f6d6c	diff	diff %
ydbd size	3 900 314 368 Bytes	3 900 314 528 Bytes	+160 Bytes	+0.000%
ydbd stripped size	1 365 098 480 Bytes	1 365 098 480 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]

⚪ 2025-03-07 07:13:53 UTC Pre-commit check linux-x86_64-relwithdebinfo for 33f6d6c has started.
⚪ 2025-03-07 07:14:08 UTC Artifacts will be uploaded here
⚪ 2025-03-07 07:17:14 UTC ya make is running...
🟡 2025-03-07 08:52:30 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?
27945	25333	0	6	2470	136

⚪ 2025-03-07 08:54:46 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-03-07 09:16:38 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
225 (only retried tests)	94	0	0	1	130

🟢 2025-03-07 09:16:48 UTC Build successful.
🟢 2025-03-07 09:17:08 UTC ydbd size 2.1 GiB changed* by +224 Bytes, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: 0b23813	merge: 33f6d6c	diff	diff %
ydbd size	2 242 150 072 Bytes	2 242 150 296 Bytes	+224 Bytes	+0.000%
ydbd stripped size	474 870 072 Bytes	474 870 136 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}