ebs br: new snapshot tagging (#50548)

[ti-chi-bot]

This is an automated cherry-pick of #50548

What problem does this PR solve?

Issue Number: close #50559

Problem Summary:

What changed and how does it work?

1. Add the new tag to snapshots
2. Check fsr enablement periodically instead of sleep for a long time.

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

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-6.5@e850d08). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-6.5     #50569   +/-   ##
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  Coverage               ?   73.6361%           
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  Files                  ?       1094           
  Lines                  ?     350480           
  Branches               ?          0           
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  Hits                   ?     258080           
  Misses                 ?      75831           
  Partials               ?      16569           

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BornChanger, YuJuncen

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Needs approval from an approver in each of these files:

• OWNERS [YuJuncen]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-01-18 13:19:40.300746996 +0000 UTC m=+448421.865044701: ☑️ agreed by BornChanger.
• 2024-01-18 14:39:34.921378613 +0000 UTC m=+453216.485676303: ☑️ agreed by YuJuncen.