message: Remove empty if block and consolidate if condition
diff: @@ -200,11 +200,7 @@ void Slider::onMouseUp(EventHandler::MouseButton button, int x, int y)
  if (!enabled() || !visible()) { return; }
  const auto mousePosition = NAS2D::Point{x, y};
  - if (mSlider.contains(mousePosition))
  - {
  - // nothing
  - }
  - else if (mSlideBar.contains(mousePosition))
  + if (mSlideBar.contains(mousePosition) && !mSlider.contains(mousePosition))
  {
  if (mSliderType == SliderType::Vertical)
  {
  