/proc/4/task/10/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 /.
140dac0000-7ffd24f8f000 ---p 00000000 00:00 0 [rollup]Rss: 196416 kBPss: 195624 kBPss_Anon: 139572 kBPss_File: 56052 kBPss_Shmem: 0 kBShared_Clean: 1580 kBShared_Dirty: 0 kBPrivate_Clean: 55264 kBPrivate_Dirty: 139572 kBReferenced: 196416 kBAnonymous: 139572 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB