chore: dart format

Author: khatruong2009

packages/authenticator/amplify_authenticator/lib/src/blocs/auth/auth_bloc.dart

@@ -544,7 +544,8 @@ class StateMachineBloc
   }
 
   Future<UnauthenticatedState> _handleMfaSetupSelection(
-      SignInResult result,) async {
+    SignInResult result,
+  ) async {
     final allowedMfaTypes = result.nextStep.allowedMfaTypes;
 
     if (allowedMfaTypes == null) {
@@ -558,7 +559,8 @@ class StateMachineBloc
 
     if (mfaTypesForSetup.length != 1) {
       return ContinueSignInWithMfaSetupSelection(
-          allowedMfaTypes: allowedMfaTypes,);
+        allowedMfaTypes: allowedMfaTypes,
+      );
     }
 
     final mfaType = mfaTypesForSetup.first;