/proc/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 988 0 79 0 34 64 0 0 20 0 22 0 1356 1058807808 1244 18446744073709551615 93985641820368 93985643143152 140730899048320 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 93985643184536 93985643187248 93985882931200 140730899055247 140730899055466 140730899055466 140730899058660 0