fix: dispatch identify interceptor callbacks on correct queue

[crleona]

Summary

Dispatches IdentifyInterceptor's callback on the correct queue (vs main).

Checklist

• [X] Does your PR title have the correct title format?
• Does your PR have a breaking change?: No

[github-actions[bot]]

:tada: This PR is included in version 1.6.1 :tada:

The release is available on:

• GitHub release
• v1.6.1

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