/proc/self/task/7/root/proc/4/root/proc/thread-self/root/proc/self/task/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 /.
12b6440000-7fff1649b000 ---p 00000000 00:00 0 [rollup]Rss: 232440 kBPss: 231648 kBPss_Anon: 175732 kBPss_File: 55916 kBPss_Shmem: 0 kBShared_Clean: 1580 kBShared_Dirty: 0 kBPrivate_Clean: 55128 kBPrivate_Dirty: 175732 kBReferenced: 232440 kBAnonymous: 175732 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB