app: fallback to span for list elements without configured type

js/erp5_loader.js

@@ -3463,7 +3463,7 @@
         if (new_item[pos].text) {
           // add object to text-array
           new_item[pos].text.push({
-            "type": field.type,
+            "type": field.type || "span",
             "text": record[field.field],
             "aside": field.aside || null,
             "count": field.count || null,