/proc/self/root/proc/thread-self/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 /.
2 (bootstrap) S 0 2 0 0 -1 4194560 5220 0 79 0 1317 1632 0 0 20 0 22 0 2263 1069740032 1573 18446744073709551615 94192792596688 94192793919472 140735287994352 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 94192793960856 94192793963568 94193776582656 140735288001167 140735288001386 140735288001386 140735288004580 0