Monitoring/CustomVarRenderer: Cast data field setting value data_list…

…_id to integer

library/Director/ProvidedHook/Monitoring/CustomVarRenderer.php

@@ -118,7 +118,7 @@ public function prefetchForObject(MonitoredObject $object)
                 ]
             )->join(
                 ['dde' => 'director_datalist_entry'],
-                'dds.setting_value = dde.list_id',
+                'CAST(dds.setting_value AS INTEGER) = dde.list_id',
                 []
             )->where('dds.datafield_id', array_keys($fieldsWithDataLists))
                 ->where('dds.setting_name', 'datalist_id');