/proc/self/root/proc/4/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) R 2 2 0 0 -1 4194560 105087 0 756 0 852 143 0 0 20 0 11 0 322438 1937764352 65947 18446744073709551615 94818193920000 94818237679541 140724153212256 0 0 0 0 16781312 17922 0 0 0 17 0 0 0 42 0 0 94818294280096 94818295165808 94818532831232 140724153214349 140724153214587 140724153214587 140724153216997 0