/proc/thread-self/root/proc/self/root/proc/self/task/4/root/proc/2/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 /.
26daa00000-7ffd33184000 ---p 00000000 00:00 0 [rollup]Rss: 201864 kBPss: 201118 kBPss_Anon: 145116 kBPss_File: 56002 kBPss_Shmem: 0 kBShared_Clean: 1488 kBShared_Dirty: 0 kBPrivate_Clean: 55260 kBPrivate_Dirty: 145116 kBReferenced: 201864 kBAnonymous: 145116 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB