expression: don't cast collation for in expression is the new collation is disabled (#52812)

[ti-chi-bot]

This is an automated cherry-pick of #52812

What problem does this PR solve?

Issue Number: close #52772

Problem Summary:
If the new collation is disabled, we should not cast collation for in expression, which may lead to panic in the issue case.

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[YangKeao]

LGTM

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-8.1@4546180). Click here to learn what that means.
The diff coverage is 100.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-8.1     #52863   +/-   ##
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  Coverage               ?   72.3185%           
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  Files                  ?       1468           
  Lines                  ?     427489           
  Branches               ?          0           
================================================
  Hits                   ?     309154           
  Misses                 ?      99038           
  Partials               ?      19297           

Flag	Coverage Δ
unit	71.1988% <100.0000%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	53.9957% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	41.2874% <0.0000%> (?)

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: winoros, YangKeao

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• OWNERS [YangKeao,winoros]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-24 06:40:45.067732284 +0000 UTC m=+156001.807635196: ☑️ agreed by YangKeao.
• 2024-04-24 17:57:05.318373096 +0000 UTC m=+196582.058276004: ☑️ agreed by winoros.