Add scoped overlay hosts

app-rust/src/ui/tap.rs

@@ -11,10 +11,9 @@ pub(crate) fn on_tap<Rsc: HasEvents>(
     ptr.on(CursorSense::drag_senses(), move |ctx, rsc: &mut Rsc| {
         let input = &ctx.data;
         let outcome = rsc
-            .with_nearest_controller::<SelectionController, _>(
-                list,
-                |id, selection, rsc| selection.drag(id, rsc, input),
-            )
+            .with_nearest_controller::<SelectionController, _>(list, |id, selection, rsc| {
+                selection.drag(id, rsc, input)
+            })
             .unwrap_or(SelectionInput::Tapped);
         if outcome == SelectionInput::Tapped {
             f(rsc);