/proc/self/root/proc/1/task/1/cwd/proc/thread-self
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 /.
00400000-7ffdcee40000 ---p 00000000 00:00 0 [rollup]Rss: 1638136 kBPss: 1637034 kBPss_Dirty: 1585660 kBPss_Anon: 1585632 kBPss_File: 51402 kBPss_Shmem: 0 kBShared_Clean: 1744 kBShared_Dirty: 0 kBPrivate_Clean: 50732 kBPrivate_Dirty: 1585660 kBReferenced: 1638136 kBAnonymous: 1585632 kBKSM: 0 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB