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