/proc/2/root/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 /.
1cf1180000-7ffe313dc000 ---p 00000000 00:00 0 [rollup]Rss: 108860 kBPss: 108118 kBPss_Anon: 53624 kBPss_File: 54494 kBPss_Shmem: 0 kBShared_Clean: 1480 kBShared_Dirty: 0 kBPrivate_Clean: 53756 kBPrivate_Dirty: 53624 kBReferenced: 108860 kBAnonymous: 53624 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB