Refactor quick action output handling and extend case note support

FasdDesktopUi/Basics/UserControls/QuickActionSelector.xaml.cs

@@ -238,5 +238,12 @@ namespace FasdDesktopUi.Basics.UserControls
 
         private void SearchBar_SearchValueChanged(object sender, string e)        
             => SearchValueChanged?.Invoke(this, e);
+
+        #region ClearSearch
+        private void Search_CancelledSearch(object sender, RoutedEventArgs e)
+        {
+            Search.Clear();
+        }
+        #endregion
     }
 }