message: Use packed parameter drawBoxFilled in MapViewStateIO
diff: @@ -48,7 +48,7 @@ extern int ROBOT_ID_COUNTER; /// \fixme Kludge
  void MapViewState::save(const std::string& filePath)
  {
  auto& renderer = Utility<Renderer>::get();
  - renderer.drawBoxFilled(0, 0, renderer.width(), renderer.height(), 0, 0, 0, 100);
  + renderer.drawBoxFilled(NAS2D::Rectangle{0, 0, renderer.width(), renderer.height()}, NAS2D::Color{0, 0, 0, 100});
  renderer.drawImage(*IMG_SAVING, renderer.center() - IMG_SAVING->size() / 2);
  renderer.update();
  @@ -100,7 +100,7 @@ void MapViewState::load(const std::string& filePath)
  resetUi();
  auto& renderer = Utility<Renderer>::get();
  - renderer.drawBoxFilled(0, 0, renderer.width(), renderer.height(), 0, 0, 0, 100);
  + renderer.drawBoxFilled(NAS2D::Rectangle{0, 0, renderer.width(), renderer.height()}, NAS2D::Color{0, 0, 0, 100});
  renderer.drawImage(*IMG_LOADING, renderer.center() - IMG_LOADING->size() / 2);
  renderer.update();
  