small update fix in uppernodeCanvas

src/ui/view/GUI.java

@@ -1419,9 +1419,9 @@ public class GUI<E> implements CategoryListener {
 
 								controller.addObjUpperNode(h, unc.upperNode);
 								unc.invalidate();
+								unc.repaint();
 								unc.setXY((int) canvas.getMousePosition().getX(),
 										(int) canvas.getMousePosition().getY());
-								unc.repaint();
 							}
 						} else {
 							int x = (int) canvas.getMousePosition().getX() + 16;