Make NOT_SYNCHRONIZED_1 internal state treated as DISCONNECTED (merge from main #24371)

[alexvru]

Changelog entry

Make NOT_SYNCHRONIZED_1 internal state treated as DISCONNECTED

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

This fixes a bug when state storage and boards treat NOT_SYNCHRONIZED_1 state as NOT_SYNCHRONIZED thus leading to impossibility to work then only part of unsynced pile is available.

[github-actions]

⚪ 2025-09-08 07:15:36 UTC Pre-commit check linux-x86_64-relwithdebinfo for 67200dc has started.
⚪ 2025-09-08 07:15:50 UTC Artifacts will be uploaded here
⚪ 2025-09-08 07:19:11 UTC ya make is running...
🟡 2025-09-08 08:37:22 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?
37805	35032	0	1	2729	43

⚪ 2025-09-08 08:40:41 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-09-08 08:54:56 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
511 (only retried tests)	484	0	0	5	22

🟢 2025-09-08 08:55:06 UTC Build successful.

[github-actions]

⚪ 2025-09-08 07:15:57 UTC Pre-commit check linux-x86_64-release-asan for 67200dc has started.
⚪ 2025-09-08 07:16:09 UTC Artifacts will be uploaded here
⚪ 2025-09-08 07:19:31 UTC ya make is running...
🟡 2025-09-08 09:16:45 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?
15198	14644	0	225	297	32

🟢 2025-09-08 09:18:04 UTC Build successful.