planner, executor: add stale read compatibility for temporary table (#25206)

[ti-srebot]

cherry-pick #25206 to release-5.1
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# In tidb repo:
git pr https://github.com/pingcap/tidb/pull/25786

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git push git@github.com:ti-srebot/tidb.git pr/25786:release-5.1-811253785c0e

---

What problem does this PR solve?

Temporary table should not perform stale read

What is changed and how it works?

Add member variable ExplicitStaleness to builder to mark if this query statement should use stale read explicitly. If the txn is staleness or query is marked staleness, temporary table read should be fail.

Related changes

N/A

Check List

Tests

• Unit test

Side effects

N/A

Release note

• No release note

[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]

@lcwangchao please accept the invitation then you can push to the cherry-pick pull requests.
https://github.com/ti-srebot/tidb/invitations

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• xhebox

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[ti-chi-bot]

@ti-srebot: PR needs rebase.

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[tiancaiamao]

@lcwangchao Please resolve conflicts, rest looks good to me

[lcwangchao]

Already merged in another pr: #25724