/proc/2/root/proc/self/task/4/root/proc/thread-self/root/proc/2/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 /.
559f3eedc000-7ffd8f1ae000 ---p 00000000 00:00 0 [rollup]Rss: 7744 kBPss: 6946 kBPss_Anon: 4532 kBPss_File: 2414 kBPss_Shmem: 0 kBShared_Clean: 1592 kBShared_Dirty: 0 kBPrivate_Clean: 1620 kBPrivate_Dirty: 4532 kBReferenced: 7744 kBAnonymous: 4532 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB