use DragEvent not MouseEvent for drag events (#3137)

* use DragEvent not MouseEvent for drag events

* Simplify drag events and remove WebDragData struct

* use DragEvent not MouseEvent for drag events

* re-add the web_sys event reference for drag + mouse data

* remove now vestigial impls for MouseEvent

---------

Co-authored-by: Matt Hunzinger <matthunz2@gmail.com>

packages/web/src/events/wheel.rs

@@ -22,13 +22,13 @@ impl HasWheelData for Synthetic<WheelEvent> {
     }
 
     fn as_any(&self) -> &dyn std::any::Any {
-        self
+        &self.event
     }
 }
 
 impl HasMouseData for Synthetic<WheelEvent> {
     fn as_any(&self) -> &dyn std::any::Any {
-        self
+        &self.event
     }
 }
 
@@ -85,7 +85,7 @@ impl PointerInteraction for Synthetic<WheelEvent> {
 
 impl HasScrollData for Synthetic<Event> {
     fn as_any(&self) -> &dyn std::any::Any {
-        self
+        &self.event
     }
 }