/proc/self/root/proc/thread-self/root/proc/thread-self
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 /.
21 (libuv-worker) S 1 1 1 0 -1 1077936448 3 0 0 0 0 0 0 0 20 0 11 0 285 1700532224 22064 18446744073709551615 7487488 50333345 140723395094016 0 0 0 0 16781312 17922 1 0 0 -1 0 0 0 0 0 0 108688912 108877056 126820352 140723395102549 140723395102758 140723395102758 140723395104743 0