/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 1763 0 79 0 158 224 0 0 20 0 8 0 8807 1055072256 1423 18446744073709551615 93843545047248 93843546370032 140727738500624 0 0 0 0 4096 83008 0 0 0 17 1 0 0 0 0 0 93843546411416 93843546414128 93844044967936 140727738507919 140727738508138 140727738508138 140727738511332 0