Fixes openemr#7000 bulk export 500 failure (openemr#7003)

Bulk export would fail if a company had an insurance company in the EMR.

src/Services/FHIR/Organization/FhirOrganizationInsuranceService.php

@@ -93,7 +93,7 @@ public function parseOpenEMRRecord($dataRecord = array(), $encode = false)
 
         $fhirMeta = new FHIRMeta();
         $fhirMeta->setVersionId('1');
-        $meta->setLastUpdated(UtilsService::getDateFormattedAsUTC());
+        $fhirMeta->setLastUpdated(UtilsService::getDateFormattedAsUTC());
         $organizationResource->setMeta($fhirMeta);
         $organizationResource->setActive($dataRecord['inactive'] == '0');