[CDC] Do not lose presition during float/double to json serialization

[dcherednik]

No description provided.

[github-actions]

⚪ 2024-08-09 15:07:52 UTC Pre-commit check for eac6778 has started.
⚪ 2024-08-09 15:11:30 UTC Check linux-x86_64-release-asan is running...
🔴 2024-08-09 17:11:00 UTC Some tests failed, follow the links below.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
9730	9687	0	8	22	13

🟢 2024-08-09 17:12:05 UTC Build successful.
🟢 2024-08-09 17:12:33 UTC ydbd size 5.4 GiB changed* by -1.0 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 633ff57	merge: eac6778	diff	diff %
ydbd size	5 843 780 776 Bytes	5 843 779 752 Bytes	-1.0 KiB	-0.000%
ydbd stripped size	1 468 104 912 Bytes	1 468 104 336 Bytes	-576 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]

⚪ 2024-08-09 15:10:20 UTC Pre-commit check for eac6778 has started.
⚪ 2024-08-09 15:13:00 UTC Check linux-x86_64-release-clang14 is running...
🟢 2024-08-09 15:17:49 UTC Build successful.

[github-actions]

⚪ 2024-08-09 15:12:53 UTC Pre-commit check for eac6778 has started.
⚪ 2024-08-09 15:15:40 UTC Check linux-x86_64-relwithdebinfo is running...
🟡 2024-08-09 16:51:48 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14059	12703	0	3	1339	14

⚪ 2024-08-09 16:53:24 UTC Failed tests rerun (try 2) linux-x86_64-relwithdebinfo is running...
🟡 2024-08-09 17:05:03 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
20 (only retried tests)	6	0	2	4	8

⚪ 2024-08-09 17:05:11 UTC Failed tests rerun (try 3) linux-x86_64-relwithdebinfo is running...
🟢 2024-08-09 17:12:47 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14 (only retried tests)	6	0	0	0	8

🟢 2024-08-09 17:12:54 UTC Build successful.
🟢 2024-08-09 17:13:25 UTC ydbd size 8.1 GiB changed* by -232 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 633ff57	merge: eac6778	diff	diff %
ydbd size	8 688 682 368 Bytes	8 688 682 136 Bytes	-232 Bytes	-0.000%
ydbd stripped size	472 752 392 Bytes	472 752 328 Bytes	-64 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}