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