remoting: Allow Add/Remove remote folder (#14532)

Release Notes:

- remoting (alpha only): Allow add/remove folders to projects

---------

Co-authored-by: Max <max@zed.dev>

crates/collab/src/tests/test_server.rs

@@ -805,9 +805,7 @@ impl TestClient {
     ) -> (Model<Project>, WorktreeId) {
         let project = self.build_empty_local_project(cx);
         let (worktree, _) = project
-            .update(cx, |p, cx| {
-                p.find_or_create_local_worktree(root_path, true, cx)
-            })
+            .update(cx, |p, cx| p.find_or_create_worktree(root_path, true, cx))
             .await
             .unwrap();
         worktree