/proc/self/root/proc/thread-self/root/proc/thread-self/root/proc/1
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 /.
564325004000-7fff855f8000 ---p 00000000 00:00 0 [rollup]Rss: 1984 kBPss: 970 kBPss_Anon: 156 kBPss_File: 814 kBPss_Shmem: 0 kBShared_Clean: 1532 kBShared_Dirty: 0 kBPrivate_Clean: 296 kBPrivate_Dirty: 156 kBReferenced: 1984 kBAnonymous: 156 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB