Windows: Add OriginHierarchyWindow

Elwig/Windows/BaseDataWindow.xaml.cs

@@ -167,6 +167,10 @@ namespace Elwig.Windows {
             SeasonModifierDeleteButton.IsEnabled = SeasonModifierList.SelectedIndex != -1;
         }
 
+        private void OriginButton_Click(object sender, RoutedEventArgs evt) {
+            App.FocusOriginHierarchy();
+        }
+
         private void EditButton_Click(object sender, RoutedEventArgs evt) {
             IsEditing = true;
             EditButton.Visibility = Visibility.Hidden;