br: Fix new collaction enable check (#33500)

[ti-srebot]

cherry-pick #33500 to release-5.3
You can switch your code base to this Pull Request by using git-extras:

# In tidb repo:
git pr https://github.com/pingcap/tidb/pull/33533

After apply modifications, you can push your change to this PR via:

git push git@github.com:ti-srebot/tidb.git pr/33533:release-5.3-8f8dfafc105d

---

What problem does this PR solve?

Issue Number: close #33422

Problem Summary:

What is changed and how it works?

• backup up-stream NewCollactionEnable into backupmeta
• check NewCollactionEnable in backupmeta is the same as the down-stream

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

Fix the issue that NewCollationEnable config not checked during restoration.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• 3pointer
• fengou1

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[ti-srebot]

/run-all-tests

[ti-srebot]

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

[joccau]

/cc @fengou1

[joccau]

/run-integration-br-test

[joccau]

/run-unit-test

[3pointer]

/merge

[ti-chi-bot]

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

Commit hash: 1bb82cd

[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/e1c6a69edfb62e51429752d687ee90c83f3c6fae

[ti-chi-bot]

@ti-srebot: Your PR was out of date, I have automatically updated it for you.

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/run-all-tests

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