/proc/self/root/proc/self/root/proc/1
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 /.
1 (child_wrapper) S 0 1 1 0 -1 4194560 998 313 4 0 0 1 0 0 20 0 1 0 428 3321856 453 18446744073709551615 93945673505200 93945673804880 140732171216336 0 0 0 0 4096 17474 1 0 0 17 0 0 0 0 0 0 93945673829448 93945673831856 93946321580032 140732171217706 140732171217939 140732171217939 140732171218912 0