fix for calling `changed` on objects that do not support it
fix for calling `changed` on objects that do not support it

devpuppy/zendesk_api_client_rb,airbnb/zendesk_api_client_rb,airbnb/zendesk_api_client_rb,airbnb/zendesk_api_client_rb,devpuppy/zendesk_api_client_rb