/proc/self/root/proc/thread-self/root/proc/4/task/8/root/proc/4/root/proc/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 1718 0 79 0 89 126 0 0 20 0 9 0 4190 1056661504 1279 18446744073709551615 94302245556432 94302246879216 140729242092064 0 0 0 0 4096 83008 0 0 0 17 1 0 0 0 0 0 94302246920600 94302246923312 94302380216320 140729242100367 140729242100586 140729242100586 140729242103780 0