app: fix undefined sample_data reference in storage.write

js/erp5_loader.js

@@ -4091,7 +4091,7 @@
   // TODO: storage.add included prefetch of field_items and validation
   // TODO: storage.add deleted identifier if create_new was set
   storage.write = function (obj) {
-    var form, data, valid, prefix, config, method, action, pointer;
+    var form, data, valid, prefix, config, method, action, pointer, sample;
 
     form = obj.form;
     pointer = (obj.element || storage.span).getAttribute("data-action");
@@ -4107,9 +4107,9 @@
         config._force_data = true;
       }
 
-      if (obj.sample_data._id || form.identifier) {
+      if (data._id || form.identifier) {
         // PUT > set id, method and view
-        data._id = obj.sample_data._id || form.identifier.value;
+        data._id = data._id || form.identifier.value;
         method = "put";
         config._view = obj.state.view;
       }