fix host as default field for sysinfo

[adameat]

closes #8399

• Bugfix
• Not for changelog (changelog entry is not required)

[github-actions]

⚪ 2024-08-28 14:31:00 UTC Pre-commit check linux-x86_64-release-asan for 8c89b9c has started.
⚪ 2024-08-28 14:33:59 UTC ya make is running...
🔴 2024-08-28 16:23:01 UTC Some tests failed, follow the links below.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11403	11332	0	19	28	24

🟢 2024-08-28 16:24:01 UTC Build successful.
🟡 2024-08-28 16:24:34 UTC ydbd size 5.5 GiB changed* by +1010.9 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 9616f55	merge: 8c89b9c	diff	diff %
ydbd size	5 934 028 896 Bytes	5 935 064 032 Bytes	+1010.9 KiB	+0.017%
ydbd stripped size	1 490 378 608 Bytes	1 490 634 736 Bytes	+250.1 KiB	+0.017%

^{*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]

⚪ 2024-08-28 14:31:05 UTC Pre-commit check linux-x86_64-relwithdebinfo for 8c89b9c has started.
⚪ 2024-08-28 14:34:04 UTC ya make is running...
🟡 2024-08-28 16:00:12 UTC Some tests failed, follow the links below. Going to retry failed tests...

Details

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
40590	35205	0	5	5358	22

⚪ 2024-08-28 16:04:13 UTC ya make is running... (failed tests rerun, try 2)
🟢 2024-08-28 16:12:43 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
24 (only retried tests)	13	0	0	0	11

🟢 2024-08-28 16:12:50 UTC Build successful.
🟡 2024-08-28 16:13:26 UTC ydbd size 8.2 GiB changed* by +1.5 MiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 1e567c0	merge: 8c89b9c	diff	diff %
ydbd size	8 806 267 352 Bytes	8 807 796 400 Bytes	+1.5 MiB	+0.017%
ydbd stripped size	480 202 024 Bytes	480 298 024 Bytes	+93.8 KiB	+0.020%

^{*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]

⚪ 2024-08-28 14:37:14 UTC Pre-commit check linux-x86_64-release-clang14 for 8c89b9c has started.
⚪ 2024-08-28 14:41:14 UTC ya make is running...
🟢 2024-08-28 15:16:47 UTC Build successful.