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/core/src/diff/component.rs

@@ -161,10 +161,10 @@ impl VNode {
         dom: &mut VirtualDom,
         mut to: Option<&mut impl WriteMutations>,
     ) {
-        let scope = ScopeId(dom.mounts[mount.0].mounted_dynamic_nodes[idx]);
+        let scope = ScopeId(dom.get_mounted_dyn_node(mount, idx));
 
         // Remove the scope id from the mount
-        dom.mounts[mount.0].mounted_dynamic_nodes[idx] = ScopeId::PLACEHOLDER.0;
+        dom.set_mounted_dyn_node(mount, idx, ScopeId::PLACEHOLDER.0);
         let m = self.create_component_node(mount, idx, new, parent, dom, to.as_deref_mut());
 
         // Instead of *just* removing it, we can use the replace mutation
@@ -188,7 +188,7 @@ impl VNode {
             return SuspenseBoundaryProps::create(mount, idx, component, parent, dom, to);
         }
 
-        let mut scope_id = ScopeId(dom.mounts[mount.0].mounted_dynamic_nodes[idx]);
+        let mut scope_id = ScopeId(dom.get_mounted_dyn_node(mount, idx));
 
         // If the scopeid is a placeholder, we need to load up a new scope for this vcomponent. If it's already mounted, then we can just use that
         if scope_id.is_placeholder() {
@@ -198,7 +198,7 @@ impl VNode {
                 .id;
 
             // Store the scope id for the next render
-            dom.mounts[mount.0].mounted_dynamic_nodes[idx] = scope_id.0;
+            dom.set_mounted_dyn_node(mount, idx, scope_id.0);
 
             // If this is a new scope, we also need to run it once to get the initial state
             let new = dom.run_scope(scope_id);
@@ -207,7 +207,7 @@ impl VNode {
             dom.scopes[scope_id.0].last_rendered_node = Some(new);
         }
 
-        let scope = ScopeId(dom.mounts[mount.0].mounted_dynamic_nodes[idx]);
+        let scope = ScopeId(dom.get_mounted_dyn_node(mount, idx));
 
         let new_node = dom.scopes[scope.0]
             .last_rendered_node