Root rename detection (#20313)

Closes #5349

Release Notes:

- Fixed Zed when the directory that you opened is renamed.

crates/remote_server/src/remote_editing_tests.rs

@@ -1086,6 +1086,45 @@ async fn test_reconnect(cx: &mut TestAppContext, server_cx: &mut TestAppContext)
     );
 }
 
+#[gpui::test]
+async fn test_remote_root_rename(cx: &mut TestAppContext, server_cx: &mut TestAppContext) {
+    let fs = FakeFs::new(server_cx.executor());
+    fs.insert_tree(
+        "/code",
+        json!({
+            "project1": {
+                ".git": {},
+                "README.md": "# project 1",
+            },
+        }),
+    )
+    .await;
+
+    let (project, _) = init_test(&fs, cx, server_cx).await;
+
+    let (worktree, _) = project
+        .update(cx, |project, cx| {
+            project.find_or_create_worktree("/code/project1", true, cx)
+        })
+        .await
+        .unwrap();
+
+    cx.run_until_parked();
+
+    fs.rename(
+        &PathBuf::from("/code/project1"),
+        &PathBuf::from("/code/project2"),
+        Default::default(),
+    )
+    .await
+    .unwrap();
+
+    cx.run_until_parked();
+    worktree.update(cx, |worktree, _| {
+        assert_eq!(worktree.root_name(), "project2")
+    })
+}
+
 #[gpui::test]
 async fn test_remote_git_branches(cx: &mut TestAppContext, server_cx: &mut TestAppContext) {
     let fs = FakeFs::new(server_cx.executor());