Only show breadcrumbs for terminals when there's a title (#20997)

Closes https://github.com/zed-industries/zed/issues/20475

Release Notes:

- Fixed terminal title and breadcrumbs behavior

---------

Co-authored-by: Thorsten Ball <thorsten@zed.dev>

crates/terminal_view/src/terminal_panel.rs

@@ -1,6 +1,7 @@
 use std::{ops::ControlFlow, path::PathBuf, sync::Arc};
 
 use crate::{default_working_directory, TerminalView};
+use breadcrumbs::Breadcrumbs;
 use collections::{HashMap, HashSet};
 use db::kvp::KEY_VALUE_STORE;
 use futures::future::join_all;
@@ -138,8 +139,11 @@ impl TerminalPanel {
                 ControlFlow::Break(())
             });
             let buffer_search_bar = cx.new_view(search::BufferSearchBar::new);
-            pane.toolbar()
-                .update(cx, |toolbar, cx| toolbar.add_item(buffer_search_bar, cx));
+            let breadcrumbs = cx.new_view(|_| Breadcrumbs::new());
+            pane.toolbar().update(cx, |toolbar, cx| {
+                toolbar.add_item(buffer_search_bar, cx);
+                toolbar.add_item(breadcrumbs, cx);
+            });
             pane
         });
         let subscriptions = vec![