Currently, <ul> and <li> is missing `role` in navbar. This thing can effect on accessibility point on Lighthouse report. https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/menuitem_role This PR will fix this problem closes odoo/odoo#137790 X-original-commit: 21ce76703a9b1496e6824be7aa19946c37cca37c Signed-off-by: Romain Derie (rde) <rde@odoo.com>