expression, cmd: fix ColumnSubstitute and allow some cases to substitute (#38826)

[ti-chi-bot]

This is an automated cherry-pick of #38826

Signed-off-by: wjhuang2016 huangwenjun1997@gmail.com

What problem does this PR solve?

Issue Number: close #38736 and close #40536

Problem Summary:
Take the case from #38736,
the first argument's collation in the like function is utf8mb4_bin, and the second is binary.
So we can't substitute the first argument(utf8mb4_bin to utf8mb4_bin) since it is weakened than binary.
If the collation and coercibility don't change, it's safe to substitute.

What is changed and how it works?

If the collation and coercibility don't change, it's safe to substitute.

Check List

Tests

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

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

[ti-chi-bot]

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[ti-chi-bot]

@ti-chi-bot: This cherry pick PR is for a release branch and has not yet been approved by release team.
Adding the do-not-merge/cherry-pick-not-approved label.

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[ti-chi-bot]

PR needs rebase.

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[ti-chi-bot]

@ti-chi-bot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/check_dev	38835c7	link	true	/test check-dev
idc-jenkins-ci-tidb/mysql-test	38835c7	link	true	/test mysql-test
idc-jenkins-ci-tidb/check_dev_2	38835c7	link	true	/test check-dev2
idc-jenkins-ci-tidb/build	38835c7	link	true	/test build
idc-jenkins-ci-tidb/unit-test	38835c7	link	true	/test unit-test

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