Only call rename on the document server  if we have an external document id
Only call rename on the document server  if we have an external document id

i.e. the document was loaded from the document server, or has been saved
there at least once before.

[#86637300]

concord-consortium/codap,concord-consortium/codap,concord-consortium/codap,concord-consortium/codap,concord-consortium/codap