Remove native and web features from dioxus-html (#3006)

* remove native and web features from dioxus-html

* Fix downcasting web events

* Fix desktop with tokio disabled

packages/web/src/events/toggle.rs

@@ -0,0 +1,19 @@
+use dioxus_html::HasToggleData;
+
+use super::{Synthetic, WebEventExt};
+
+impl HasToggleData for Synthetic<web_sys::Event> {
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
+}
+
+impl WebEventExt for dioxus_html::ToggleData {
+    type WebEvent = web_sys::Event;
+
+    #[inline(always)]
+    fn try_as_web_event(&self) -> Option<Self::WebEvent> {
+        self.downcast::<Synthetic<web_sys::Event>>()
+            .map(|e| e.event.clone())
+    }
+}