message: Fix `Widget::draw` for `Rule`
diff: @@ -77,6 +77,7 @@ where
  _defaults: &Renderer::Defaults,
  layout: Layout<'_>,
  _cursor_position: Point,
  + _viewport: &Rectangle,
  ) -> Renderer::Output {
  renderer.draw(layout.bounds(), &self.style, self.is_horizontal)
  }
  