Fix for OVPMS-1492 party.supplierorganization classifications node incorrect

git-svn-id: svn://svn.openvpms.org/openvpms/archetypes/branches/1.8-dev@6189 9e4fa352-aafb-0310-9071-df624684024b
Changes for OVPMS-1509 StackOverflowError selecting customer with thousands of patients

git-svn-id: svn://svn.openvpms.org/openvpms/archetypes/branches/1.8-dev@6191 9e4fa352-aafb-0310-9071-df624684024b