/proc/2/root/proc/2
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 /.
56297f10b000-7ffe1aff2000 ---p 00000000 00:00 0 [rollup]Rss: 4644 kBPss: 3844 kBPss_Anon: 1420 kBPss_File: 2424 kBPss_Shmem: 0 kBShared_Clean: 1596 kBShared_Dirty: 0 kBPrivate_Clean: 1628 kBPrivate_Dirty: 1420 kBReferenced: 4644 kBAnonymous: 1420 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB