/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 /.
11:memory:/10:cpuset:/9:freezer:/8:devices:/7:blkio:/6:cpu,cpuacct:/5:hugetlb:/4:net_cls,net_prio:/3:pids:/2:perf_event:/1:name=systemd:/