When moving a widget, save the reference to the hierarchy lookup map...

--HG--
branch : dfighter-tools

code/studio/src/plugins/gui_editor/widget_hierarchy.cpp

@@ -286,6 +286,8 @@ namespace GUIEditor
 		item->setSelected( true );
 		newParent->addChild( item );
 
+		// Add reference to new item
+		widgetHierarchyMap[ newid ] = item;
 
 		selectItem( item );
 	}