*: query-status -s and purge-relay send to all relay worker (#1533)

[lance6716]

manually cherry-pick #1533 to release-2.0

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What problem does this PR solve?

query-status -s and purge-relay send to all relay worker

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test

Code changes

Side effects

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation
• Need to be included in the release note

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