domain: avoid panic in the init stats breaking the loadStatsWorker (#51579)

[ti-chi-bot]

This is an automated cherry-pick of #51579

What problem does this PR solve?

Issue Number: close #51581

Problem Summary:

What changed and how does it work?

If init-stats panics, then the load stats of this instance will all be broken.

Check List

Tests

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

  • I checked and no code files have been changed.

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]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, winoros

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• OWNERS [hawkingrei,winoros]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-03-14 11:02:59.335931766 +0000 UTC m=+942606.358178155: ☑️ agreed by hawkingrei.
• 2024-03-14 12:41:50.584041864 +0000 UTC m=+948537.606288252: ☑️ agreed by winoros.

[hawkingrei]

/retest

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.1@eb9a5c7). Click here to learn what that means.
The diff coverage is 0.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.1     #51754   +/-   ##
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  Coverage               ?   73.4873%           
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  Files                  ?       1212           
  Lines                  ?     379837           
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  Hits                   ?     279132           
  Misses                 ?      82911           
  Partials               ?      17794           

[hawkingrei]

/retest