/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 954 0 79 0 9 26 0 0 20 0 21 0 8005 1056927744 1278 18446744073709551615 94114919424208 94114920746992 140734069131696 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 94114920788376 94114920791088 94115704135680 140734069138102 140734069138321 140734069138321 140734069141476 0