protected JPopupMenu getLeafPopupMenu(MenuElement[] path) {

		int index = getLeafPopupIndex(path);
		if (index >= 0) {
			return (JPopupMenu) path[index];
		}
		return null;
	}
The work method of this handler.  This method will only be called when a menu or popup
menu is open.

@param manager the active menu selection manager
@param path the active menu path
Ghidra/Framework/Docking/src/main/java/docking/menu/keys/MenuKeyHandler.java