fix(firestore): type definitions

[SelaseKay]

Release Summary

Checklist

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
  • Yes
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• I have updated TypeScript types that are affected by my change.
• This is a breaking change;
  • Yes
  • No

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Name	Status	Preview	Comments	Updated (UTC)
react-native-firebase	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 29, 2025 9:46am

[russellwheatley]

Just double checking, @mikehardy, in the firebase-js-sdk documentation, it returns a Promise<Query | null>. But we currently return a Query. Should we match the firebase-js-sdk in this instance? (I assume yes!).

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Codecov Report

Attention: Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 69.79%. Comparing base (8f59579) to head (796493f).
Report is 52 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8378      +/-   ##
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- Coverage   71.78%   69.79%   -1.99%     
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  Files         163      187      +24     
  Lines        6626     8039    +1413     
  Branches     1524     1840     +316     
==========================================
+ Hits         4756     5610     +854     
- Misses       1749     2238     +489     
- Partials      121      191      +70     

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[MichaelVerdon]

Kept definition for onSnapshotsInSync() which will merge with other PR that actually implements it.