/proc/self/root/proc/2/root/proc/thread-self/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 1084 0 79 0 15 27 0 0 20 0 36 0 7563 1088606208 1341 18446744073709551615 94214883234000 94214884556784 140720862064880 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 94214884598168 94214884600880 94215326887936 140720862069391 140720862069610 140720862069610 140720862072804 0