dr-autosync: add recover timeout (#6295)

[ti-chi-bot]

This is an automated cherry-pick of #6295

What problem does this PR solve?

Issue Number: close #4939.

What is changed and how does it work?

add a configuration item to delay dr state switch from async to sync-recover

Check List

Tests

• Unit test

Release note

None.

[ti-chi-bot[bot]]

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