When we edit a view with ace in eg. studio, if it works the saved button would never be enabled again because of missing callback. Match the behavior of dom.addButtonLoadingEffect other usage (80592abd). opw-2457046 closes odoo/odoo#66301 X-original-commit: 5324f7a6aa757ff6a728258ea1877ded4a6f86cd Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>