/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 2498 0 79 0 231 307 0 0 20 0 8 0 696239 977739776 1607 18446744073709551615 94269214466256 94269215789040 140721691392608 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 94269215830424 94269215833136 94269974794240 140721691394703 140721691394922 140721691394922 140721691398116 0