windows: Fix auto update failure when launching from the cli (#34303)

Release Notes:

- N/A

---------

Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>

crates/gpui/src/app/context.rs

@@ -164,6 +164,20 @@ impl<'a, T: 'static> Context<'a, T> {
         subscription
     }
 
+    /// Register a callback to be invoked when the application is about to restart.
+    pub fn on_app_restart(
+        &self,
+        mut on_restart: impl FnMut(&mut T, &mut App) + 'static,
+    ) -> Subscription
+    where
+        T: 'static,
+    {
+        let handle = self.weak_entity();
+        self.app.on_app_restart(move |cx| {
+            handle.update(cx, |entity, cx| on_restart(entity, cx)).ok();
+        })
+    }
+
     /// Arrange for the given function to be invoked whenever the application is quit.
     /// The future returned from this callback will be polled for up to [crate::SHUTDOWN_TIMEOUT] until the app fully quits.
     pub fn on_app_quit<Fut>(
@@ -175,20 +189,15 @@ impl<'a, T: 'static> Context<'a, T> {
         T: 'static,
     {
         let handle = self.weak_entity();
-        let (subscription, activate) = self.app.quit_observers.insert(
-            (),
-            Box::new(move |cx| {
-                let future = handle.update(cx, |entity, cx| on_quit(entity, cx)).ok();
-                async move {
-                    if let Some(future) = future {
-                        future.await;
-                    }
+        self.app.on_app_quit(move |cx| {
+            let future = handle.update(cx, |entity, cx| on_quit(entity, cx)).ok();
+            async move {
+                if let Some(future) = future {
+                    future.await;
                 }
-                .boxed_local()
-            }),
-        );
-        activate();
-        subscription
+            }
+            .boxed_local()
+        })
     }
 
     /// Tell GPUI that this entity has changed and observers of it should be notified.