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