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/image_viewer/src/image_viewer.rs

@@ -116,7 +116,7 @@ impl Item for ImageView {
             .map(Icon::from_path)
     }
 
-    fn breadcrumb_location(&self) -> ToolbarItemLocation {
+    fn breadcrumb_location(&self, _: &AppContext) -> ToolbarItemLocation {
         ToolbarItemLocation::PrimaryLeft
     }