Merge pull request #1574 from iced-rs/fix/draw-scroller-only-when-hovered

Fix scroller in `Scrollable` always being drawn

native/src/widget/scrollable.rs

@@ -714,9 +714,8 @@ pub fn draw<Renderer>(
                     );
                 }
 
-                if is_mouse_over
+                if (is_mouse_over || state.is_scroller_grabbed())
-                    || state.is_scroller_grabbed()
+                    && is_scrollbar_visible
-                    || is_scrollbar_visible
                 {
                     renderer.fill_quad(
                         renderer::Quad {