docs: public Container getTargetScreen(Container component, Class<?> targetClass)
      {
          Container container = this.getTargetScreen(component, targetClass, true);
          if (container == null)
              if (component instanceof JBasePanel)
                  if (component != this)  // Special case, need to look from the component up, not from this up.
                      return ((JBasePanel)component).getTargetScreen(component, targetClass, true);
          return container;
      }