message: Remove `using namespace NAS2D;` from `ListBoxBase`
diff: #include <algorithm>
  -using namespace NAS2D;
  -
  -
  ListBoxBase::ListBoxBase()
  {
  - auto& eventHandler = Utility<EventHandler>::get();
  + auto& eventHandler = NAS2D::Utility<NAS2D::EventHandler>::get();
  eventHandler.mouseWheel().connect({this, &ListBoxBase::onMouseWheel});
  eventHandler.mouseButtonDown().connect({this, &ListBoxBase::onMouseDown});
  eventHandler.mouseMotion().connect({this, &ListBoxBase::onMouseMove});
  @@ -32,7 +29,7 @@ ListBoxBase::~ListBoxBase()
  {
  mScrollBar.change().disconnect({this, &ListBoxBase::onSlideChange});
  - auto& eventHandler = Utility<EventHandler>::get();
  + auto& eventHandler = NAS2D::Utility<NAS2D::EventHandler>::get();
  eventHandler.mouseWheel().disconnect({this, &ListBoxBase::onMouseWheel});
  eventHandler.mouseButtonDown().disconnect({this, &ListBoxBase::onMouseDown});
  eventHandler.mouseMotion().disconnect({this, &ListBoxBase::onMouseMove});
  @@ -99,13 +96,13 @@ void ListBoxBase::onResize()
  }
  -void ListBoxBase::onMouseDown(EventHandler::MouseButton button, NAS2D::Point<int> position)
  +void ListBoxBase::onMouseDown(NAS2D::EventHandler::MouseButton button, NAS2D::Point<int> position)
  {
  if (!enabled() || !visible()) { return; }
  - if (isEmpty() || button == EventHandler::MouseButton::Middle) { return; }
  + if (isEmpty() || button == NAS2D::EventHandler::MouseButton::Middle) { return; }
  - if (button == EventHandler::MouseButton::Right && mRect.contains(position))
  + if (button == NAS2D::EventHandler::MouseButton::Right && mRect.contains(position))
  {
  setSelection(constants::NoSelection);
  return;
  @@ -262,7 +259,7 @@ void ListBoxBase::update()
  void ListBoxBase::draw() const
  {
  - auto& renderer = Utility<Renderer>::get();
  + auto& renderer = NAS2D::Utility<NAS2D::Renderer>::get();
  // CONTROL EXTENTS
  const auto backgroundRect = NAS2D::Rectangle{mRect.x, mRect.y, mItemWidth, mRect.height};
  