on skipped you 'might' not have an item, changed to getattr to avoid keyerror

fixes #12683

lib/ansible/plugins/callback/__init__.py

@@ -111,7 +111,7 @@ class CallbackBase:
         if '_ansible_no_log' in result and result['_ansible_no_log']:
             item = "(censored due to no_log)"
         else:
-            item = result['item']
+            item = getattr(result, 'item')
 
         return item