provide database in schemecache request

[alexnick88]

Provide database name in schemecache request.
Without database name schemecache could answer with PathUnknown instead of Unavailable in some cases.
This leads to bug, described in KIKIMR-22718.

• Bugfix

[github-actions]

⚪ 2025-03-19 10:54:41 UTC Pre-commit check for 20ca988 has started.
⚪ 2025-03-19 10:57:25 UTC Build linux-x86_64-release-asan is running...
🟢 2025-03-19 11:22:06 UTC Build successful.
⚪ 2025-03-19 11:22:23 UTC Tests are running...
🔴 2025-03-19 13:35:18 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
10312	10202	0	39	28	43

🟢 2025-03-19 13:36:07 UTC ydbd size 5.6 GiB changed* by +50.8 KiB, which is < 100.0 KiB vs stable-24-4: OK

ydbd size dash	stable-24-4: 9480de8	merge: 20ca988	diff	diff %
ydbd size	6 027 486 016 Bytes	6 027 538 048 Bytes	+50.8 KiB	+0.001%
ydbd stripped size	1 508 409 984 Bytes	1 508 417 536 Bytes	+7.4 KiB	+0.001%

^{*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]

⚪ 2025-03-19 10:55:54 UTC Pre-commit check for 20ca988 has started.
⚪ 2025-03-19 10:58:37 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2025-03-19 11:40:32 UTC Build successful.
⚪ 2025-03-19 11:40:50 UTC Tests are running...
🔴 2025-03-19 13:09:23 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14564	13199	0	21	1300	44

🟢 2025-03-19 13:10:39 UTC ydbd size 8.3 GiB changed* by +27.9 KiB, which is < 100.0 KiB vs stable-24-4: OK

ydbd size dash	stable-24-4: 9480de8	merge: 20ca988	diff	diff %
ydbd size	8 898 141 624 Bytes	8 898 170 192 Bytes	+27.9 KiB	+0.000%
ydbd stripped size	485 012 200 Bytes	485 013 992 Bytes	+1.8 KiB	+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}