CLDC-649: Export provider type from owning organisation (#436)

* Export provider type from owning org

* Export DB value rather than string

app/services/exports/case_log_export_service.rb

@@ -63,6 +63,7 @@ module Exports
             form << doc.create_element(key, value)
           end
         end
+        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

spec/fixtures/exports/case_logs.xml

@@ -174,5 +174,6 @@
     <relat7/>
     <relat8/>
     <rent_value_check/>
+    <providertype>1</providertype>
   </form>
 </forms>