expr: fix nil panic for In function with bit column

[Yisaer]

Signed-off-by: yisaer [email protected]

What problem does this PR solve?

Issue Number: close #33070

Problem Summary:

What is changed and how it works?

We left a code bug in #32898 which caused this panic. If all the args are negative number in In for bit column, we should return a corrected error message.

Check List

Tests

• Unit test

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

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• rebelice
• winoros

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[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/b2646612a37b5180ed27b9916da043b237fc30fe

[Yisaer]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 27865ec

[ti-chi-bot]

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