/proc/2/task/2/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 /.
5b1d240000-7ffdbc1cf000 ---p 00000000 00:00 0 [rollup]Rss: 184584 kBPss: 183796 kBPss_Anon: 129172 kBPss_File: 54624 kBPss_Shmem: 0 kBShared_Clean: 1572 kBShared_Dirty: 0 kBPrivate_Clean: 53840 kBPrivate_Dirty: 129172 kBReferenced: 184584 kBAnonymous: 129172 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB