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