Focus followed items when they become active if the pane is active

Co-Authored-By: Nathan Sobo <nathan@zed.dev>

crates/workspace/src/pane.rs

@@ -485,7 +485,7 @@ impl Pane {
         cx.notify();
     }
 
-    fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
+    pub fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
         if let Some(active_item) = self.active_item() {
             cx.focus(active_item);
         }