clear before notificaciones

lib/app_view.dart

@@ -37,16 +37,17 @@ class MyAppView extends StatelessWidget {
         ),
       ),
       home: BlocBuilder<AuthenticationBloc, AuthenticationState>(
-          builder: (context, state) {
-        return getScreen(state);
-      }),
+        builder: (context, state) {
+          return getScreen(state);
+        },
+      ),
     );
   }
 
   getScreen(AuthenticationState state) {
     switch (state.status) {
       case AuthenticationStatus.authenticated:
-        return const HomeScreen();
+        return HomeScreen();
 
       case AuthenticationStatus.unauthenticated:
         return WelcomeScreen();