/proc/4/root/proc/thread-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 /.
5d24ec0000-7ffd10bce000 ---p 00000000 00:00 0 [rollup]Rss: 138184 kBPss: 137424 kBPss_Anon: 82760 kBPss_File: 54664 kBPss_Shmem: 0 kBShared_Clean: 1516 kBShared_Dirty: 0 kBPrivate_Clean: 53908 kBPrivate_Dirty: 82760 kBReferenced: 138184 kBAnonymous: 82760 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB