/proc/4/task/8/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 /.
3356bc0000-7ffc7af5d000 ---p 00000000 00:00 0 [rollup]Rss: 305596 kBPss: 304790 kBPss_Anon: 248968 kBPss_File: 55822 kBPss_Shmem: 0 kBShared_Clean: 1608 kBShared_Dirty: 0 kBPrivate_Clean: 55020 kBPrivate_Dirty: 248968 kBReferenced: 305596 kBAnonymous: 248968 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB