/proc/self/task/5/root/proc/2/task/2
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 /.
2 (bootstrap) S 0 2 0 0 -1 4194560 3070 0 79 0 258 351 0 0 20 0 15 0 2558 1055449088 1733 18446744073709551615 94338961088720 94338962411504 140723652734336 0 0 0 0 4096 83008 1 0 0 17 0 0 0 0 0 0 94338962452888 94338962455600 94340012535808 140723652735670 140723652735889 140723652735889 140723652739044 0