message: Call `Runtime::enter` properly in `iced_web`
diff: @@ -188,7 +188,7 @@ pub trait Application {
  sender.clone(),
  );
  - let (app, command) = Self::new(flags);
  + let (app, command) = runtime.enter(|| Self::new(flags));
  let mut title = app.title();
  document.set_title(&title);
  @@ -205,8 +205,13 @@ pub trait Application {
  let vdom = dodrio::Vdom::new(&body, instance);
  let event_loop = receiver.for_each(move |message| {
  + let (command, subscription) = runtime.enter(|| {
  let command = application.borrow_mut().update(message);
  let subscription = application.borrow().subscription();
  +
  + (command, subscription)
  + });
  +
  let new_title = application.borrow().title();
  runtime.spawn(command);
  