fix: improve error handling in _firebaseExceptionFromCoreFirebaseErro… #2855

Job	Run time
web-wasm (tests)	4m 37s
web (tests)	4m 21s
web-wasm (packages/cloud_firestore/cloud_firestore/example)	3m 2s
web-app-check	3m 39s
web (packages/cloud_firestore/cloud_firestore/example)	5m 8s
	20m 47s

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