/proc/4/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 /.
232 0x3 0x55a83c054be0 0x400 0xa 0x0 0xffffffffffffffec 0x7fffc622d210 0x7f0b6ad9317e