/proc/self/task/9/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 /.
9671b00000-7ffd6973b000 ---p 00000000 00:00 0 [rollup]Rss: 127408 kBPss: 126632 kBPss_Anon: 71848 kBPss_File: 54784 kBPss_Shmem: 0 kBShared_Clean: 1548 kBShared_Dirty: 0 kBPrivate_Clean: 54012 kBPrivate_Dirty: 71848 kBReferenced: 127408 kBAnonymous: 71848 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB