This commit changes the label of the checkout button if the user is not signed in and the option is mandatory. Backport of odoo/odoo#103072 closes odoo/odoo#108470 Task: 2929654 X-original-commit: a7a2bc6abed07af40247e7e663d309bb0db3de36 Signed-off-by: William Braeckman (wbr) <wbr@odoo.com>