message: Use new `isMaximized()` method in `WindowEventWrapper`
diff: #include "Common.h"
  -#include "UI/MessageBox.h"
  -
  #include <NAS2D/Utility.h>
  #include <NAS2D/EventHandler.h>
  #include <NAS2D/Configuration.h>
  +#include <NAS2D/Renderer/Renderer.h>
  /**
  @@ -46,7 +45,7 @@ private:
  void onWindowResized(NAS2D::Vector<int> newSize)
  {
  - if (windowMaximized()) { return; }
  + if (NAS2D::Utility<NAS2D::Renderer>::get().isMaximized()) { return; }
  auto& configuration = NAS2D::Utility<NAS2D::Configuration>::get();
  auto& graphics = configuration["graphics"];
  