react-native-firebase

bug(firestore): fix multiple cursor query 

* fixed, fieldPath:'__name__' should be added once for queries with multiple cursors

* fixed es-lint errors

* test(firestore): test for multiple query

Co-authored-by: Mohammed Maaz <maazproductions25@gmail.com>
Co-authored-by: Mike Diarmid <mike.diarmid@gmail.com>