executor: fix KVRange bug for index join with dynamic partition pruning (#33483)

[ti-srebot]

cherry-pick #33483 to release-5.1
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# In tidb repo:
git pr https://github.com/pingcap/tidb/pull/33579

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---

What problem does this PR solve?

Issue Number: close #33231

Problem Summary:

What is changed and how it works?

Please see the comments in the code and #33231 (comment).

Check List

Tests

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

Side effects

• None

Documentation

• NA

Release note

Fix the issue that query result might be wrong when using dynamic partition pruning mode with index join.

[ti-chi-bot]

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[ti-chi-bot]

@ti-srebot: 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-srebot]

/run-all-tests

[ti-srebot]

@bb7133 you're already a collaborator in bot's repo.

[VelocityLight]

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