online recovery: fix online recovery timeout mechanism (#6108)

[ti-chi-bot]

This is an automated cherry-pick of #6108

What problem does this PR solve?

Issue Number: Close #6107

What is changed and how does it work?

fix online recovery timeout mechanism

Check List

Tests

• Unit test

Release note

Fix the issue that online recovery timeout may not work as expected

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• lhy1024
• rleungx

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[codecov]

Codecov Report

Patch coverage: 87.77% and no project coverage change.

Comparison is base (7910e2c) 75.65% compared to head (f7b7c69) 75.65%.

❗ Current head f7b7c69 differs from pull request most recent head 34a8df0. Consider uploading reports for the commit 34a8df0 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##           release-6.5    #6112   +/-   ##
============================================
  Coverage        75.65%   75.65%           
============================================
  Files              330      330           
  Lines            32975    32968    -7     
============================================
- Hits             24946    24941    -5     
+ Misses            5881     5875    -6     
- Partials          2148     2152    +4     

Flag	Coverage Δ
unittests	75.65% <87.77%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
server/cluster/unsafe_recovery_controller.go	82.62% <87.77%> (+3.91%)	⬆️

... and 28 files with indirect coverage changes

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[nolouch]

/merge

[ti-chi-bot]

@nolouch: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

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

Commit hash: f7b7c69

[ti-chi-bot]

@ti-chi-bot: Your PR was out of date, I have automatically updated it for you.

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