message: Simplify `Hotkey` conversion in `conversion::menu`
diff: @@ -185,12 +185,7 @@ pub fn menu<Message>(menu: Menu<Message>) -> winit::window::Menu {
  menu::Entry::Item {
  content, hotkey, ..
  } => {
  - let hotkey: Option<&keyboard::Hotkey> = hotkey.as_ref().into();
  - converted.add_item(
  - 0,
  - content,
  - hotkey.map(|h| self::hotkey(*h)),
  - );
  + converted.add_item(0, content, hotkey.map(self::hotkey));
  }
  menu::Entry::Dropdown { content, submenu } => {
  converted.add_dropdown(content, self::menu(submenu));
  