/proc/2/root/proc/thread-self/root/proc/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 /.
281 0xd 0x7ffdbc0925c0 0x400 0x2ba 0x0 0x8 0x7ffdbc091830 0x7fa3fcd72ec8