DDL: Fix bug that TiFlash replica unavailable after add partition with small probability (#39170)

[ti-chi-bot]

This is an automated cherry-pick of #39170

What problem does this PR solve?

Issue Number: close #39171

Problem Summary:
There is a small probability that TiFlash replica unavailable after add partition.
refreshTiFlashTicker don't check if logical table is available, so if a partition has been added in AddingDefinitions of tableInfo, and have not been added in AvailablePartitionIDs, and refreshTiFlashTicker is executed at this time, this new added partition will be considered unavailable, so it will get TiFlash replica progress and then update available of the logical table.

What is changed and how it works?

Check if logical table is available in refreshTiFlashTicker.

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.

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• XuHuaiyu
• windtalker

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[hehechen]

/cherry-pick-invite

[ti-chi-bot]

@hehechen you're already a collaborator in repo ti-chi-bot/tidb

[hehechen]

/cc @breezewish @windtalker @CalvinNeo

[windtalker]

LGTM

[hehechen]

/run-all-tests

[hehechen]

/run-tests

[hehechen]

/retest

[hehechen]

/retest

[breezewish]

/merge

[breezewish]

/merge

[ti-chi-bot]

@breezewish: /merge is only allowed for the committers, you can assign this pull request to the committer in list by filling /assign @committer in the comment to help merge this pull request.

In response to this:

/merge

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[hehechen]

/retest

[windtalker]

/merge

[ti-chi-bot]

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

Commit hash: 195092b

[ti-chi-bot]

@ti-chi-bot: Your PR was out of date, I have automatically updated it for you.

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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[hehechen]

/retest