/proc/thread-self/root/proc/self/task/5
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 /.
a07f980000-7fff124ce000 ---p 00000000 00:00 0 [rollup]Rss: 176004 kBPss: 175268 kBPss_Anon: 120488 kBPss_File: 54780 kBPss_Shmem: 0 kBShared_Clean: 1468 kBShared_Dirty: 0 kBPrivate_Clean: 54048 kBPrivate_Dirty: 120488 kBReferenced: 176004 kBAnonymous: 120488 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB