Increased stability of metric asynchronous execution

[LiZhenCheng9527]

What type of PR is this? /kind enhancement

What this PR does / why we need it:

Which issue(s) this PR fixes: Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 61.90476% with 8 lines in your changes missing coverage. Please review.

Project coverage is 53.37%. Comparing base (9db2d28) to head (3a0f2a6). Report is 268 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/controller/telemetry/metric.go	61.90%	8 Missing :warning:

Files with missing lines	Coverage Δ
pkg/controller/telemetry/metric.go	80.00% <61.90%> (+26.21%)	:arrow_up:

... and 2 files with indirect coverage changes

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[kmesh-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[LiZhenCheng9527]

This is no longer necessary.