Fix optional columns

[zverevgeny]

Intergrate changes from main(see below) to fix a problem with adding new columns while writing

[github-actions]

⚪ 2024-08-15 21:24:03 UTC Pre-commit check for fd849bf has started.
⚪ 2024-08-15 21:27:01 UTC Build linux-x86_64-release-asan is running...
🟢 2024-08-15 22:11:02 UTC Build successful.
⚪ 2024-08-15 22:11:15 UTC Tests are running...
🔴 2024-08-16 00:09:55 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11246	11197	0	9	29	11

🟡 2024-08-16 00:10:33 UTC ydbd size 5.5 GiB changed* by +192.5 KiB, which is >= 100.0 KiB vs stable-24-3: Warning

ydbd size dash	stable-24-3: aa5a493	merge: fd849bf	diff	diff %
ydbd size	5 904 370 648 Bytes	5 904 567 760 Bytes	+192.5 KiB	+0.003%
ydbd stripped size	1 480 261 344 Bytes	1 480 280 288 Bytes	+18.5 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]

⚪ 2024-08-15 21:24:28 UTC Pre-commit check for fd849bf has started.
⚪ 2024-08-15 21:27:14 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-08-15 22:01:54 UTC Build successful.

[github-actions]

⚪ 2024-08-15 21:24:34 UTC Pre-commit check for fd849bf has started.
⚪ 2024-08-15 21:27:21 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-08-15 22:24:58 UTC Build successful.
⚪ 2024-08-15 22:25:15 UTC Tests are running...
🔴 2024-08-16 00:08:34 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39796	34572	0	2	5212	10

🟡 2024-08-16 00:09:13 UTC ydbd size 8.1 GiB changed* by +409.4 KiB, which is >= 100.0 KiB vs stable-24-3: Warning

ydbd size dash	stable-24-3: aa5a493	merge: fd849bf	diff	diff %
ydbd size	8 724 005 880 Bytes	8 724 425 096 Bytes	+409.4 KiB	+0.005%
ydbd stripped size	476 920 584 Bytes	476 923 912 Bytes	+3.2 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}