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