/proc/2/root/proc/4/task/5/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 /.
17e1ec0000-7ffc0b74a000 ---p 00000000 00:00 0 [rollup]Rss: 281392 kBPss: 280602 kBPss_Anon: 224812 kBPss_File: 55790 kBPss_Shmem: 0 kBShared_Clean: 1576 kBShared_Dirty: 0 kBPrivate_Clean: 55004 kBPrivate_Dirty: 224812 kBReferenced: 281392 kBAnonymous: 224812 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB