/proc/self/root/proc/4/root/proc/4/task/5/root/proc/thread-self
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 /.
0 0x18 0x55f2c75be0c0 0x10000 0x55f27d16baf8 0x0 0x7f0a4e72c720 0x7f0a0efedaa0 0x7f0a4e7a182c