Fix/expose Firebase Auth error codes and map password errors #1254

Job	Run time
jobMatrixSetup	2m 40s
build-ios (cleanTest :firebase-auth:iosSimulatorArm64Test)	9m 34s
build-android (:firebase-auth:gradleManagedDeviceDebugAndroidTest --no-parallel --max-workers=1 -...	9m 18s
build-js (cleanTest :firebase-auth:jsTest)	4m 14s
build-jvm	0s
	25m 46s

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