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/editor/src/items.rs

@@ -841,7 +841,7 @@ impl Item for Editor {
         self.pixel_position_of_newest_cursor
     }
 
-    fn breadcrumb_location(&self) -> ToolbarItemLocation {
+    fn breadcrumb_location(&self, _: &AppContext) -> ToolbarItemLocation {
         if self.show_breadcrumbs {
             ToolbarItemLocation::PrimaryLeft
         } else {