docs: email-link-auth fixed code example in account linking (#8886)
docs: email-link-auth fixed code example in account linking (#8886)


firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire