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/liveview/src/adapters/axum_adapter.rs

@@ -45,7 +45,7 @@ impl LiveviewRouter for Router {
     ) -> Self {
         let view = crate::LiveViewPool::new();
 
-        let ws_path = format!("{}/ws", route);
+        let ws_path = format!("{}/ws", route.trim_start_matches('/'));
         let title = crate::app_title();
 
         let index_page_with_glue = move |glue: &str| {
@@ -53,8 +53,8 @@ impl LiveviewRouter for Router {
                 r#"
         <!DOCTYPE html>
         <html>
-            <head> <title>{title}</title>  </head>
-            <body> <div id="main"></div> </body>
+            <head><title>{title}</title></head>
+            <body><div id="main"></div></body>
             {glue}
         </html>
         "#,