Fix kafka consumer autocreation add new places

[nerhneiro]

Changelog entry

Add consumer autocreation in Fetch and OffsetCommit
Pr to main: #25522

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

...

[github-actions]

🟢 2025-09-26 11:52:11 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-09-26 11:52:43 UTC Pre-commit check linux-x86_64-release-asan for 2cc912a has started.
⚪ 2025-09-26 11:52:58 UTC Artifacts will be uploaded here
⚪ 2025-09-26 11:56:29 UTC ya make is running...
🟡 2025-09-26 13:49:55 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
15493	15033	0	138	292	30

🟢 2025-09-26 13:51:14 UTC Build successful.
🟡 2025-09-26 13:51:36 UTC ydbd size 3.8 GiB changed* by +225.1 KiB, which is >= 100.0 KiB vs stable-25-3-1: Warning

ydbd size dash	stable-25-3-1: 8355af0	merge: 2cc912a	diff	diff %
ydbd size	4 043 723 448 Bytes	4 043 953 968 Bytes	+225.1 KiB	+0.006%
ydbd stripped size	1 506 402 912 Bytes	1 506 456 480 Bytes	+52.3 KiB	+0.004%

^{*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]

⚪ 2025-09-26 11:53:02 UTC Pre-commit check linux-x86_64-relwithdebinfo for 2cc912a has started.
⚪ 2025-09-26 11:53:06 UTC Artifacts will be uploaded here
⚪ 2025-09-26 11:56:47 UTC ya make is running...
🟡 2025-09-26 13:16:57 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
38143	35463	0	1	2656	23

⚪ 2025-09-26 13:20:19 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-09-26 13:33:15 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
312 (only retried tests)	288	0	0	8	16

🟢 2025-09-26 13:33:24 UTC Build successful.
🟡 2025-09-26 13:33:41 UTC ydbd size 2.3 GiB changed* by +152.4 KiB, which is >= 100.0 KiB vs stable-25-3-1: Warning

ydbd size dash	stable-25-3-1: 8355af0	merge: 2cc912a	diff	diff %
ydbd size	2 430 506 360 Bytes	2 430 662 448 Bytes	+152.4 KiB	+0.006%
ydbd stripped size	520 719 048 Bytes	520 739 528 Bytes	+20.0 KiB	+0.004%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}