unsafe recovery: Fixing learner store being ignored error in 7.1 (#6744)

[ti-chi-bot]

This is an automated cherry-pick of #6744

What problem does this PR solve?

Issue Number: Ref #6690

What is changed and how does it work?

Fix learner store/ replica being ignored error in auto detect mode.

Check List

Tests

• Unit test

Code changes

Side effects

Related changes

• Original cherry-pick proposed by Ti-Chi bot but with merge conflicts: unsafe recovery: Fix learner nodes got ignored in auto detect mode error (#6691) #6710

Release note

None.

[ti-chi-bot]

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[ti-chi-bot]

This cherry pick PR is for a release branch and has not yet been approved by release team.
Adding the do-not-merge/cherry-pick-not-approved label.

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[nolouch]

no need for 6.1