try catch on new actions handling

product/ERP5Type/Core/ActionInformation.py

@@ -188,8 +188,11 @@ class CacheableAction(object):
 
   def cook(self, ec):
     param_dict = self.param_dict.copy()
+    try:
       action = self.action
       param_dict['url'] = action is not None and action(ec) or ''
       icon = self.icon
       param_dict['icon'] = icon is not None and icon(ec) or ''
+    except:
+      pass
     return param_dict