copywith y nickname

lib/blocs/sign_up_bloc/sign_up_bloc.dart

@@ -18,7 +18,7 @@ class SignUpBloc extends Bloc<SignUpEvent, SignUpState> {
       SignUpRequired event, Emitter<SignUpState> emit) async {
     emit(SignUpProcess());
     try {
-      MyUser user = await _userRepository.signUp(event.email, event.password);
+      MyUser user = await _userRepository.signUp(event.user, event.password);
       await _userRepository.setUserData(user);
       emit(SignUpSuccess());
     } catch (e) {

lib/blocs/sign_up_bloc/sign_up_event.dart

@@ -8,9 +8,8 @@ abstract class SignUpEvent extends Equatable {
 }
 
 class SignUpRequired extends SignUpEvent {
-  final String email;
+  final MyUser user;
   final String password;
 
-  const SignUpRequired({required this.email, required this.password});
-  // const SignUpRequired(this.email, this.password);
+  const SignUpRequired(this.user, this.password);
 }