Like any snippet creating dynamic elements on page load, we need to use a special class on those elements to mitigate the undo/redo system's imperfections. closes odoo/odoo#64893 X-original-commit: 0d9a782681fcbd50ca687ae3158dc12f5b3571cb Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>