message: Fix ratio calculation on resize in `PaneGrid`
diff: @@ -131,19 +131,15 @@ impl<'a, Message, Renderer> PaneGrid<'a, Message, Renderer> {
  let ratio = match axis {
  Axis::Horizontal => {
  let position =
  - cursor_position.y - bounds.y + rectangle.y;
  + cursor_position.y - bounds.y - rectangle.y;
  - (position / (rectangle.y + rectangle.height))
  - .max(0.1)
  - .min(0.9)
  + (position / rectangle.height).max(0.1).min(0.9)
  }
  Axis::Vertical => {
  let position =
  - cursor_position.x - bounds.x + rectangle.x;
  + cursor_position.x - bounds.x - rectangle.x;
  - (position / (rectangle.x + rectangle.width))
  - .max(0.1)
  - .min(0.9)
  + (position / rectangle.width).max(0.1).min(0.9)
  }
  };
  