store/tikv: better handle undetermined error for committing primary key

[youjiali1995]

Signed-off-by: youjiali1995 zlwgx1023@gmail.com

What problem does this PR solve?

Problem Summary:

#25040 changed the undetermined error handling for committing the primary key, and it's worse than the previous implementation, so revert it.

What is changed and how it works?

Proposal: xxx

What's Changed:

Revert the change.

Related changes

Check List

Tests

• Unit test

Release note

• No release note.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• lysu
• sticnarf

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[sticnarf]

/merge

[ti-chi-bot]

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

Commit hash: 16ff597

[youjiali1995]

/merge

[ti-chi-bot]

@youjiali1995: Your PR was out of date, I have automatically updated it for you.

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/run-all-tests

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