show abstract of body with title attribute of showXP link fix #196
show abstract of body with title attribute of showXP link fix #196

need to do the same for DB items. But more importantly, need to have a
correct way to check visibility of item for a user.

elabftw/elabftw,elabftw/elabftw,elabftw/elabftw,elabftw/elabftw,elabftw/elabftw