/proc/thread-self/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 /.
1d7fd80000-7fffc1bc6000 ---p 00000000 00:00 0 [rollup]Rss: 242248 kBPss: 241486 kBPss_Anon: 185540 kBPss_File: 55946 kBPss_Shmem: 0 kBShared_Clean: 1520 kBShared_Dirty: 0 kBPrivate_Clean: 55188 kBPrivate_Dirty: 185540 kBReferenced: 242248 kBAnonymous: 185540 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB