chore: bump gpui-pre to 0.3.8 and clean up unused code

crates/ui/src/window_ext.rs

@@ -1,6 +1,4 @@
-use std::rc::Rc;
-
-use gpui::{App, ElementId, Entity, Window};
+use gpui::{App, ElementId, Window};
 
 use crate::Root;
 use crate::dialog::Dialog;
@@ -19,9 +17,6 @@ pub trait WindowExtension: Sized {
     /// Closes all active Dialogs.
     fn close_all_dialogs(&mut self, cx: &mut App);
 
-    /// Returns number of notifications.
-    fn notifications(&mut self, cx: &mut App) -> Rc<Vec<Entity<Notification>>>;
-
     /// Pushes a notification to the notification list.
     fn push_notification<T>(&mut self, note: T, cx: &mut App)
     where
@@ -102,9 +97,4 @@ impl WindowExtension for Window {
             root.clear_notifications(window, cx);
         })
     }
-
-    fn notifications(&mut self, cx: &mut App) -> Rc<Vec<Entity<Notification>>> {
-        let entity = Root::read(self, cx).notification.clone();
-        Rc::new(entity.read(cx).notifications())
-    }
 }