[yt provider] Fix column group calculation for YtCopy

[rvu1024]

Changelog entry

Enforce equal groups in YtCopy and leading operation

Changelog category

• Bugfix

Additional information

...

[github-actions]

⚪ 2024-11-09 14:29:25 UTC Pre-commit check linux-x86_64-relwithdebinfo for ca50957 has started.
⚪ 2024-11-09 14:29:36 UTC Artifacts will be uploaded here
⚪ 2024-11-09 14:32:38 UTC ya make is running...
🟡 2024-11-09 15:31:44 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?
74196	60101	0	1	13990	104

⚪ 2024-11-09 15:38:33 UTC ya make is running... (failed tests rerun, try 2)
🟢 2024-11-09 15:50:07 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
104 (only retried tests)	9	0	0	0	95

🟢 2024-11-09 15:50:13 UTC Build successful.
🟢 2024-11-09 15:50:32 UTC ydbd size 2.8 GiB changed* by +57.7 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 302fd2e	merge: ca50957	diff	diff %
ydbd size	3 046 777 704 Bytes	3 046 836 800 Bytes	+57.7 KiB	+0.002%
ydbd stripped size	482 227 800 Bytes	482 231 768 Bytes	+3.9 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]

⚪ 2024-11-09 14:30:51 UTC Pre-commit check linux-x86_64-release-asan for ca50957 has started.
⚪ 2024-11-09 14:31:01 UTC Artifacts will be uploaded here
⚪ 2024-11-09 14:34:05 UTC ya make is running...
🟡 2024-11-09 15:41:49 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?
9551	9471	0	26	21	33

🟢 2024-11-09 15:42:38 UTC Build successful.
🟡 2024-11-09 15:43:08 UTC ydbd size 5.7 GiB changed* by +110.5 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 302fd2e	merge: ca50957	diff	diff %
ydbd size	6 165 941 768 Bytes	6 166 054 920 Bytes	+110.5 KiB	+0.002%
ydbd stripped size	1 537 509 200 Bytes	1 537 523 344 Bytes	+13.8 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}