use gpui::{App, ClickEvent, CursorStyle, Window}; /// A trait for elements that can be clicked. Enables the use of the `on_click` method.pub trait Clickable {    /// Sets the click handler that will fire whenever the element is clicked.    fn on_click(self, handler: impl Fn(&ClickEvent, &mut Window, &mut App) + 'static) -> Self;    /// Sets the cursor style when hovering over the element.    fn cursor_style(self, cursor_style: CursorStyle) -> Self;}