fix:(auth) TypeError when converting ActionCodeSettings to JS (#13260) #5455

Job	Run time
android (tests)	8m 46s
android (packages/cloud_firestore/cloud_firestore/example)	6m 24s
ios (tests)	19m 4s
macos (tests)	8m 18s
web (tests)	4m 44s
ios (packages/cloud_firestore/cloud_firestore/example)	14m 50s
web-app-check	14m 21s
macos (packages/cloud_firestore/cloud_firestore/example)	5m 50s
web (packages/cloud_firestore/cloud_firestore/example)	4m 40s
web-wasm (tests)	2m 50s
windows	9m 46s
windows-firestore	9m 46s
web-wasm (packages/cloud_firestore/cloud_firestore/example)	7m 22s
	1h 56m 41s

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