Fix as web event (#3178)

packages/web/src/events/toggle.rs

@@ -12,7 +12,6 @@ impl WebEventExt for dioxus_html::ToggleData {
 
     #[inline(always)]
     fn try_as_web_event(&self) -> Option<Self::WebEvent> {
-        self.downcast::<Synthetic<web_sys::Event>>()
-            .map(|e| e.event.clone())
+        self.downcast::<web_sys::Event>().cloned()
     }
 }