/proc/self/task/10/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 6199 0 79 0 1220 2044 0 0 20 0 8 0 2368 1057275904 1916 18446744073709551615 94144748552400 94144749875184 140732257815920 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 94144749916568 94144749919280 94145526558720 140732257817270 140732257817489 140732257817489 140732257820644 0