message: Fix implementation of `Widget::mouse_interaction` for `PaneGrid`
diff: @@ -481,10 +481,33 @@ where
  return mouse::Interaction::Grab;
  }
  - if let Some((_, axis)) = self.state.picked_split() {
  - return match axis {
  - Axis::Horizontal => mouse::Interaction::ResizingHorizontally,
  - Axis::Vertical => mouse::Interaction::ResizingVertically,
  + let resize_axis =
  + self.state.picked_split().map(|(_, axis)| axis).or_else(|| {
  + self.on_resize.as_ref().and_then(|(leeway, _)| {
  + let bounds = layout.bounds();
  +
  + let splits = self
  + .state
  + .split_regions(f32::from(self.spacing), bounds.size());
  +
  + let relative_cursor = Point::new(
  + cursor_position.x - bounds.x,
  + cursor_position.y - bounds.y,
  + );
  +
  + hovered_split(
  + splits.iter(),
  + f32::from(self.spacing + leeway),
  + relative_cursor,
  + )
  + .map(|(_, axis, _)| axis)
  + })
  + });
  +
  + if let Some(resize_axis) = resize_axis {
  + return match resize_axis {
  + Axis::Horizontal => mouse::Interaction::ResizingVertically,
  + Axis::Vertical => mouse::Interaction::ResizingHorizontally,
  };
  }
  