[Auth] Fix crash when using TOTP MFA auth (#13880)

Author: ncooke3

FirebaseAuth/CHANGELOG.md

@@ -1,6 +1,7 @@
 # 11.4.0
 - [Fixed] Restore Firebase 10 behavior by ignoring `nil` display names used
   during multi factor enrollment. (#13856)
+- [Fixed] Fix crash when enrolling account with TOTP MFA. (#13880)
 
 # 11.3.0
 - [Fixed] Restore Firebase 10 behavior by querying with the

FirebaseAuth/Sources/Swift/MultiFactor/MultiFactor.swift

@@ -114,6 +114,7 @@ import Foundation
             }
           }
         }
+        return
       } else if assertion.factorID != PhoneMultiFactorInfo.PhoneMultiFactorID {
         return
       }