*: fix to make GetMinTS enable forward

[CabinfeverB]

What problem does this PR solve?

Issue Number: Close #7467

What is changed and how does it work?

Check List

Tests

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

Code changes

• Has the configuration change
• Has HTTP API interfaces changed (Don't forget to add the declarative for the new API)
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• PR to update pingcap/tiup:
• Need to cherry-pick to the release branch

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• nolouch
• rleungx

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[codecov]

Codecov Report

Merging #7482 (124a40f) into master (beedacb) will increase coverage by 0.12%.
Report is 2 commits behind head on master.
The diff coverage is 60.00%.

❗ Current head 124a40f differs from pull request most recent head f2c3ea5. Consider uploading reports for the commit f2c3ea5 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7482      +/-   ##
==========================================
+ Coverage   74.31%   74.44%   +0.12%     
==========================================
  Files         451      451              
  Lines       49757    49724      -33     
==========================================
+ Hits        36977    37016      +39     
+ Misses       9456     9399      -57     
+ Partials     3324     3309      -15     

Flag	Coverage Δ
unittests	74.44% <60.00%> (+0.12%)	⬆️

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

[rleungx]

LGTM, but do we need to cherry pick?

[CabinfeverB]

LGTM, but do we need to cherry pick?

There's no need.

[CabinfeverB]

/merge

[ti-chi-bot]

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

/run-all-tests

You only need to trigger /merge once, and 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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[ti-chi-bot]

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

Commit hash: 124a40f

[ti-chi-bot]

@CabinfeverB: Your PR was out of date, I have automatically updated it for you.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

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.