message: Show `Loading` screen when refreshing in `system_information` example
diff: @@ -42,6 +42,8 @@ impl Application for Example {
  fn update(&mut self, message: Message) -> Command<Message> {
  match message {
  Message::Refresh => {
  + *self = Self::Loading;
  +
  return system::fetch_information(Message::InformationReceived);
  }
  Message::InformationReceived(information) => {
  