/proc/self/root/proc/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 /.
1c2e080000-7ffdc45fb000 ---p 00000000 00:00 0 [rollup]Rss: 1070180 kBPss: 1069414 kBPss_Anon: 1014636 kBPss_File: 54778 kBPss_Shmem: 0 kBShared_Clean: 1528 kBShared_Dirty: 0 kBPrivate_Clean: 54016 kBPrivate_Dirty: 1014636 kBReferenced: 1070180 kBAnonymous: 1014636 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB