/proc/4/task/5/root/proc/self/root/proc/thread-self/root/proc/self/root/proc/4
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 /.
23684c0000-7fff9eb8e000 ---p 00000000 00:00 0 [rollup]Rss: 127716 kBPss: 126984 kBPss_Anon: 70996 kBPss_File: 55988 kBPss_Shmem: 0 kBShared_Clean: 1460 kBShared_Dirty: 0 kBPrivate_Clean: 55260 kBPrivate_Dirty: 70996 kBReferenced: 127716 kBAnonymous: 70996 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB