Fixed Unpin all context menu not clearing pins properly

src/com/jpexs/decompiler/flash/gui/tagtree/TagTreeContextMenu.java

@@ -568,7 +568,7 @@ public class TagTreeContextMenu extends JPopupMenu {
         unpinAllMenuItem.addActionListener(new ActionListener() {
             @Override
             public void actionPerformed(ActionEvent e) {
-                mainPanel.clearPins();
+                mainPanel.destroyPins();
             }
         });
         add(unpinAllMenuItem);