fixed bug in listgrid resulting in undefined links in listitems

js/erp5_loader.js

@@ -713,8 +713,9 @@
             }
 
             // add record id for radio/check/linking
+            // TODO: develop a clean way to use _id and id. this is bad!
             if (label) {
-              obj.id = items[i]["_id"] || null;
+              obj.id = item["id"] || items[i]["id"] || null;
             }
 
             // loop scheme sections