/proc/self/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 /.
55e89fe05000-7ffd02b54000 ---p 00000000 00:00 0 [rollup]Rss: 5324 kBPss: 4578 kBPss_Anon: 2192 kBPss_File: 2386 kBPss_Shmem: 0 kBShared_Clean: 1488 kBShared_Dirty: 0 kBPrivate_Clean: 1644 kBPrivate_Dirty: 2192 kBReferenced: 5324 kBAnonymous: 2192 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB