handle "bring to font" and "send to back" + links between the clone components itself and sub components

src/main/java/ui/TDiagramPanel.java

@@ -2408,7 +2408,13 @@ public abstract class TDiagramPanel extends JPanel implements GenericTree {
             JOptionPane.showMessageDialog(mgui.getFrame(), "Clone creation failed", "Exception", JOptionPane.INFORMATION_MESSAGE);
         }
 
-        //bringToBack(_tgc);
+        bringToBack(_tgc);
+        for (int i = 0; i < componentList.size(); i ++){
+            if (componentList.get(i) instanceof TGConnector) {
+                TGComponent t = componentList.get(i);
+                bringToFront(t);
+            }
+        }
         mgui.changeMade(this, NEW_COMPONENT);
         repaint();
     }