/proc/self/root/proc/2/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 1347 0 79 0 88 98 0 0 20 0 34 0 2209 1084342272 1330 18446744073709551615 94758136721616 94758138044400 140730210224624 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 94758138085784 94758138088496 94758455099392 140730210226870 140730210227089 140730210227089 140730210230244 0