util, executor: fix analyze stmts be killed unexpectedly

[XuHuaiyu]

What problem does this PR solve?

Issue Number: close #41825

Problem Summary:

What is changed and how it works?

#39372 add an if-check for Tracker.Detach to avoid problems when the tracker is labeled by LabelForMemDB. But it does not take the label LableForAnalyzeMemory into consideration.
Thus the NeedKilled flag will not be set to false after one analyze stmt is killed. And the following analyze statements on this connection will be killed immediately

Check List

Tests

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

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

Fix the problem that analyze statement be killed unexpectedly.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• chrysan
• xuyifangreeneyes

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[XuHuaiyu]

/merge

[ti-chi-bot]

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

Commit hash: 9ad079d

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #41841.