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