*: Log SQL statement when coprocessor encounteres lock

[MyonKeminta]

Cherry picks #27735 to branch icfix503

What problem does this PR solve?

Issue Number: close # 27718

Problem Summary: The debug log on coprocessor encounters lock doesn't print out the statement, which makes it difficult to know what statement was affected by the lock. This PR tries to add the log.

What is changed and how it works?

What's Changed: Passes the SQL statement as part (and currently the only part) of the "DiagnosticInfo", from the SQL layer down to the kv layer.

How it Works:

Check List

Tests

• Manual test (add detailed scripts or steps below)

Side effects

• Performance regression: Consumes more CPU

Documentation

• None

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has not been approved.

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.