[KQP Constant folding] Do not fold SafeCast because it could produce unexpected result

[denis0x0D]

Changelog entry

Do not fold SafeCast because it could produce unexpected result
Fix for KIKIMR-23489

Changelog category

• Bugfix

Description for reviewers

Fix for KIKIMR-23489

[github-actions]

⚪ 2025-07-01 15:04:49 UTC Pre-commit check linux-x86_64-release-asan for 67e86e7 has started.
⚪ 2025-07-01 15:05:14 UTC Artifacts will be uploaded here
⚪ 2025-07-01 15:08:41 UTC ya make is running...
🟡 2025-07-01 16:09:06 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
12000	11891	0	53	27	29

⚪ 2025-07-01 16:10:11 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-07-01 16:28:57 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
153 (only retried tests)	121	0	1	5	26

⚪ 2025-07-01 16:29:08 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-07-01 16:45:03 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
55 (only retried tests)	23	0	1	5	26

🟢 2025-07-01 16:45:11 UTC Build successful.
🟢 2025-07-01 16:45:39 UTC ydbd size 3.7 GiB changed* by +66.0 KiB, which is < 100.0 KiB vs stable-25-1-analytics: OK

ydbd size dash	stable-25-1-analytics: fdf7a57	merge: 67e86e7	diff	diff %
ydbd size	3 989 266 048 Bytes	3 989 333 584 Bytes	+66.0 KiB	+0.002%
ydbd stripped size	1 393 115 464 Bytes	1 393 128 008 Bytes	+12.2 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}

[github-actions]

⚪ 2025-07-01 15:08:02 UTC Pre-commit check linux-x86_64-relwithdebinfo for 67e86e7 has started.
⚪ 2025-07-01 15:08:48 UTC Artifacts will be uploaded here
⚪ 2025-07-01 15:12:05 UTC ya make is running...
🟡 2025-07-01 16:02:41 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?
18846	17572	0	4	1224	46

⚪ 2025-07-01 16:04:23 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-07-01 16:16:44 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
96 (only retried tests)	53	0	0	3	40

🟢 2025-07-01 16:16:51 UTC Build successful.
🟢 2025-07-01 16:17:09 UTC ydbd size 2.1 GiB changed* by +25.4 KiB, which is < 100.0 KiB vs stable-25-1-analytics: OK

ydbd size dash	stable-25-1-analytics: fdf7a57	merge: 67e86e7	diff	diff %
ydbd size	2 291 340 656 Bytes	2 291 366 664 Bytes	+25.4 KiB	+0.001%
ydbd stripped size	482 028 096 Bytes	482 030 144 Bytes	+2.0 KiB	+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}