Update storage of reporter in contact

I failed to retrieve the data correctly before as part of the changeover
to contact records.

Issue: #13

db/gen/nidus-sync/publicreport/model/report.go

@@ -36,5 +36,5 @@ type Report struct {
 	AddressGid             string
 	ClientUUID             *uuid.UUID
 	ReporterPhoneCanSms    bool
-	ReporterContactID      *int32
+	ReporterContactID      int32
 }