Fixes issue with editing of existing poi resources.
Fixes issue with editing of existing poi resources.

fraunhoferfokus/OCDB,ricsirigu/OCDB,fraunhoferfokus/OCDB,fraunhoferfokus/OCDB,jjdblast/OCDB,ricsirigu/OCDB,ricsirigu/OCDB,jjdblast/OCDB,jjdblast/OCDB