fix(node): notify fetch completion earlier to avoid being skipped

[maqi]

Description

This PR is trying to avoid false failed to fetch alert, which occasionally happens within the location verify CI test.
The root reason is because of interleaved processes, there is chance that a previously un-available record becomes stored during fetch it. Which case the replication fetcher not get notified of the completion.
To resolve it, the completion of the fetch will always trigger a notification to be sent to replication_fetcher, on receive a fetch response.

Related Issue

Fixes #<issue_number> (if applicable).

Type of Change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Other (please describe):

Checklist

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• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.
• I have updated the documentation accordingly.
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