fix(auth): fix mock on register

packages/wyatt_authentication_bloc/lib/src/data/data_sources/remote/authentication_mock_data_source_impl.dart

@@ -196,6 +196,7 @@ class AuthenticationMockDataSourceImpl extends AuthenticationRemoteDataSource {
     );
     _streamAccount.add(mock);
     _registeredMock = Pair(mock, password);
+    _connectedMock = _registeredMock!.copyWith();
     _lastSignInTime = DateTime.now();
     return Future.value(mock);
   }