/proc/self/task/7/root/proc/4
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 /.
4 (node) S 2 2 0 0 -1 4194560 32862 0 786 0 208 39 0 0 20 0 11 0 360 1792421888 28221 18446744073709551615 94029494747136 94029538658229 140720656343008 0 0 0 0 16781312 17922 0 0 0 17 0 0 0 4 0 0 94029594111680 94029594980464 94029820997632 140720656348609 140720656348847 140720656348847 140720656351205 0