Handle buffer diff base updates and file renames properly for SSH projects (#14989)

Release Notes:

- N/A

---------

Co-authored-by: Conrad <conrad@zed.dev>

crates/tasks_ui/src/lib.rs

@@ -256,7 +256,7 @@ mod tests {
         );
 
         let worktree_id = project.update(cx, |project, cx| {
-            project.worktrees().next().unwrap().read(cx).id()
+            project.worktrees(cx).next().unwrap().read(cx).id()
         });
         let (workspace, cx) = cx.add_window_view(|cx| Workspace::test_new(project.clone(), cx));