Export DB value rather than string

app/services/exports/case_log_export_service.rb

@@ -63,7 +63,7 @@ module Exports
             form << doc.create_element(key, value)
           end
         end
-        form << doc.create_element("providertype", case_log.owning_organisation.provider_type)
+        form << doc.create_element("providertype", case_log.owning_organisation.read_attribute_before_type_cast(:provider_type))
       end
       doc.write_xml_to(StringIO.new, encoding: "UTF-8")
     end