Http audit: get remote_address from socket if didn't manage to get it from headers

[UgnineSirdis]

Changelog entry

...

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

...

[github-actions]

🟢 2025-09-07 14:19:59 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-09-07 14:22:42 UTC Pre-commit check linux-x86_64-relwithdebinfo for a751e05 has started.
⚪ 2025-09-07 14:22:58 UTC Artifacts will be uploaded here
⚪ 2025-09-07 14:26:26 UTC ya make is running...
🟢 2025-09-07 15:46:17 UTC Tests successful.

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39206	36444	0	0	2725	37

🟢 2025-09-07 15:49:40 UTC Build successful.
🟢 2025-09-07 15:49:55 UTC ydbd size 2.3 GiB changed* by +1.6 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 8cc8229	merge: a751e05	diff	diff %
ydbd size	2 443 698 352 Bytes	2 443 699 984 Bytes	+1.6 KiB	+0.000%
ydbd stripped size	511 597 864 Bytes	511 598 120 Bytes	+256 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]

⚪ 2025-09-07 14:22:53 UTC Pre-commit check linux-x86_64-release-asan for a751e05 has started.
⚪ 2025-09-07 14:23:06 UTC Artifacts will be uploaded here
⚪ 2025-09-07 14:26:38 UTC ya make is running...
🟡 2025-09-07 16:26:57 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?
16494	15961	0	145	358	30

🟢 2025-09-07 16:28:21 UTC Build successful.
🟢 2025-09-07 16:28:44 UTC ydbd size 4.0 GiB changed* by +2.9 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 8cc8229	merge: a751e05	diff	diff %
ydbd size	4 294 965 312 Bytes	4 294 968 320 Bytes	+2.9 KiB	+0.000%
ydbd stripped size	1 488 951 160 Bytes	1 488 951 896 Bytes	+736 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}