Before this commit, the states (collapsed/not collapsed) of the tabs of the accordion snippet were not saved if it was the only changement in edit mode. After this commit, we trigger a content change when the states of the tabs is changed. task-2442237 closes odoo/odoo#67276 X-original-commit: 18af2ecade9482b5243059aefbfa79410ebf59a6 Signed-off-by: Jérémy Kersten (jke) <jke@openerp.com>