O3-3586 - Trying to register a patient using a duplicate identifier should block the form from submitting any data

Author: Amos Laboso

omod-1.8/src/main/java/org/openmrs/module/webservices/rest/web/v1_0/resource/openmrs1_8/PatientIdentifierResource1_8.java

@@ -231,10 +231,10 @@ public PatientIdentifier save(PatientIdentifier delegate) {
 		}
 
 		if (needToAdd) {
+			service().savePatientIdentifier(delegate);
 			delegate.getPatient().addIdentifier(delegate);
 		}
-		
-		service().savePatientIdentifier(delegate);
+
 		return delegate;
 
 	}