/proc/2/root/proc/self/root/proc/2/root/proc/thread-self/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 1563 0 79 0 190 200 0 0 20 0 22 0 3382 1058926592 1395 18446744073709551615 93989801009360 93989802332144 140729370632512 0 0 0 0 4096 83008 1 0 0 17 1 0 0 0 0 0 93989802373528 93989802376240 93990793986048 140729370636904 140729370637123 140729370637123 140729370640356 0