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