Focus on the history tabs context menu when deploying (#61000)

Release Notes:

- N/A

crates/git_ui/src/git_panel.rs

@@ -7192,9 +7192,11 @@ impl GitPanel {
         &mut self,
         context_menu: Entity<ContextMenu>,
         position: Point<Pixels>,
-        window: &Window,
+        window: &mut Window,
         cx: &mut Context<Self>,
     ) {
+        window.focus(&context_menu.focus_handle(cx), cx);
+
         let subscription = cx.subscribe_in(
             &context_menu,
             window,