/proc/self/root/proc/thread-self/root/proc/thread-self/root/proc/11/task/19
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
19 (libuv-worker) S 1 1 1 0 -1 4194624 82 0 0 0 0 5 0 0 20 0 11 0 308 1846890496 54076 18446744073709551615 7487488 50333345 140733433853520 0 0 0 0 16781312 17922 1 0 0 -1 0 0 0 0 0 0 108688912 108877056 112218112 140733433857965 140733433858174 140733433858174 140733433860071 0