message: Update `isPointInRect` to `contains` in ComboBox
diff: @@ -95,7 +95,7 @@ void ComboBox::onMouseDown(EventHandler::MouseButton button, int x, int y)
  if (button != EventHandler::MouseButton::BUTTON_LEFT) { return; }
  - if (isPointInRect(Point_2d(x, y), mBaseArea))
  + if (mBaseArea.contains(Point{x, y}))
  {
  lstItems.visible(!lstItems.visible());
  if (lstItems.visible())
  @@ -107,7 +107,7 @@ void ComboBox::onMouseDown(EventHandler::MouseButton button, int x, int y)
  mRect = {mBaseArea.x(), mBaseArea.y(), mBaseArea.width(), mBaseArea.height()};
  }
  }
  - else if (!isPointInRect(Point_2d(x, y), lstItems.rect()))
  + else if (!lstItems.rect().contains(Point{x, y}))
  {
  lstItems.visible(false);
  mRect = {mBaseArea.x(), mBaseArea.y(), mBaseArea.width(), mBaseArea.height()};
  