Synchronous prevent default (#2792)

* add prevent default methods to the event

* sync prevent default almost working

* sync prevent default working

* Move event handling into the runtime

* update core tests

* restore desktop file dialog

* implement prevent default on web

* add a hint about the new prevent default method

* fix web prevent default

* Fix CTRL+click on links

* fix values memorize in place test

* Fix a few more tests

* Add a playwright test for sync prevent default

* Fix core doc tests

* create a deprecated VirtualDom::handle_event

* fix macos imports in desktop

* Fix onmounted event

* Fix liveview support

* switch to RefCell for metadata

* Remove println

* remove prevent default attribute

* remove web specific link behavior

* Fix liveview links

* more liveview fixes for link

* Fix merge conflicts

* Fix clippy

* use the new prevent default in the file upload example

packages/web/src/mutations.rs

@@ -63,12 +63,14 @@ impl WebsysDom {
         for id in self.queued_mounted_events.drain(..) {
             let node = self.interpreter.base().get_node(id.0 as u32);
             if let Some(element) = node.dyn_ref::<web_sys::Element>() {
-                let _ = self.event_channel.unbounded_send(crate::dom::UiEvent {
-                    name: "mounted".to_string(),
-                    bubbles: false,
-                    element: id,
-                    data: dioxus_html::PlatformEventData::new(Box::new(element.clone())),
-                });
+                let event = dioxus_core::Event::new(
+                    std::rc::Rc::new(dioxus_html::PlatformEventData::new(Box::new(
+                        element.clone(),
+                    ))) as std::rc::Rc<dyn std::any::Any>,
+                    false,
+                );
+                let name = "mounted";
+                self.runtime.handle_event(name, event, id)
             }
         }
     }