/proc/self/root/proc/thread-self/root/proc/self/task/7/root/proc/self/root/proc/4
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 /.
74f4ac0000-7ffeb0def000 ---p 00000000 00:00 0 [rollup]Rss: 121812 kBPss: 121074 kBPss_Anon: 65124 kBPss_File: 55950 kBPss_Shmem: 0 kBShared_Clean: 1472 kBShared_Dirty: 0 kBPrivate_Clean: 55216 kBPrivate_Dirty: 65124 kBReferenced: 121812 kBAnonymous: 65124 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB