Prompt Library Refinements (#13470)

TODO:

- [x] Moving the cursor out of the title editor should unselect any
selected text

Release Notes:

- N/A

---------

Co-authored-by: Antonio Scandurra <me@as-cii.com>
Co-authored-by: Richard <richard@zed.dev>

crates/ui/src/clickable.rs

@@ -1,7 +1,9 @@
-use gpui::{ClickEvent, WindowContext};
+use gpui::{ClickEvent, CursorStyle, WindowContext};
 
 /// 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 WindowContext) + 'static) -> Self;
+    /// Sets the cursor style when hovering over the element.
+    fn cursor_style(self, cursor_style: CursorStyle) -> Self;
 }