Move "About Comunic" dialog

lib/ui/routes/app_settings_route.dart

@@ -1,5 +1,6 @@
 import 'package:comunic/helpers/preferences_helper.dart';
 import 'package:comunic/utils/intl_utils.dart';
+import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/material.dart';
 
 /// Application settings route
@@ -61,6 +62,10 @@ class __AppSettingsBodyState extends State<_AppSettingsBody> {
             description:
                 tr("You will need to restart the application to apply changes"),
           ),
+          ListTile(
+            title: Text(tr("About Comunic")),
+            onTap: () => showAboutAppDialog(context),
+          ),
         ],
       ),
     );

lib/ui/routes/main_route.dart

@@ -126,11 +126,6 @@ class _MainRouteState extends MainController {
         _openAccountsSettings();
         break;
 
-      /// Show about dialog
-      case BarCallbackActions.OPEN_ABOUT_DIALOG:
-        showAboutAppDialog(context);
-        break;
-
       /// Logout user
       case BarCallbackActions.ACTION_LOGOUT:
         _logoutRequested();