show already selected members of the group chat

- filter list of available members to group chat

src/app/home/home.page.ts

@@ -51,7 +51,7 @@ export class HomePage implements OnInit {
     PushNotifications.addListener(
       'registration',
       (token: PushNotificationToken) => {
-        alert('Push registration success, token: ' + token.value);
+        /* alert('Push registration success, token: ' + token.value); */
         console.log('FIREBASE: ', token.value)
       },
     );