message: Fix `overlay` translation for `Scrollable` in `iced_pure`
diff: @@ -7,7 +7,7 @@ use iced_native::layout::{self, Layout};
  use iced_native::mouse;
  use iced_native::renderer;
  use iced_native::widget::scrollable;
  -use iced_native::{Clipboard, Hasher, Length, Point, Rectangle, Shell};
  +use iced_native::{Clipboard, Hasher, Length, Point, Rectangle, Shell, Vector};
  pub use iced_style::scrollable::StyleSheet;
  @@ -238,11 +238,24 @@ where
  layout: Layout<'_>,
  renderer: &Renderer,
  ) -> Option<overlay::Element<'b, Message, Renderer>> {
  - self.content.as_widget_mut().overlay(
  + self.content
  + .as_widget_mut()
  + .overlay(
  &mut tree.children[0],
  layout.children().next().unwrap(),
  renderer,
  )
  + .map(|overlay| {
  + let bounds = layout.bounds();
  + let content_layout = layout.children().next().unwrap();
  + let content_bounds = content_layout.bounds();
  + let offset = tree
  + .state
  + .downcast_ref::<scrollable::State>()
  + .offset(bounds, content_bounds);
  +
  + overlay.translate(Vector::new(0.0, -(offset as f32)))
  + })
  }
  }
  