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