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