Make tab bar visible

crates/editor2/src/items.rs

@@ -578,12 +578,12 @@ impl Item for Editor {
 
     fn tab_content<T: 'static>(&self, detail: Option<usize>, cx: &AppContext) -> AnyElement<T> {
         let theme = cx.theme();
+
         AnyElement::new(
             div()
                 .flex()
                 .flex_row()
                 .items_center()
-                .bg(gpui::white())
                 .text_color(gpui::white())
                 .child(self.title(cx).to_string())
                 .children(detail.and_then(|detail| {
@@ -625,8 +625,7 @@ impl Item for Editor {
 
     fn deactivated(&mut self, cx: &mut ViewContext<Self>) {
         let selection = self.selections.newest_anchor();
-        todo!()
-        // self.push_to_nav_history(selection.head(), None, cx);
+        self.push_to_nav_history(selection.head(), None, cx);
     }
 
     fn workspace_deactivated(&mut self, cx: &mut ViewContext<Self>) {