Merge pull request #173 from Feichtmeier:Fix_appearance_model

Add 'cycle-windows' to appearance model

Author: Feichtmeier

lib/view/pages/appearance/appearance_model.dart

@@ -69,7 +69,11 @@ class AppearanceModel extends ChangeNotifier {
     notifyListeners();
   }
 
-  static const clickActions = ['minimize', 'focus-or-previews'];
+  static const clickActions = [
+    'minimize',
+    'focus-or-previews',
+    'cycle-windows'
+  ];
 
   String? get clickAction => _dashToDockSettings?.stringValue(_clickActionKey);