This commit adds possibility to select a layout for certification rendering. User can choose among 6 predefined layouts carefully designed and that should cover all use cases, therefore removing any need of allowing customization. It also adds possibility to preview certification directly from survey. closes odoo/odoo#32675 Task: 1967652 Pr: #32675 Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com> Co-authored-by: Stefano Rigano <sri@odoo.com> Co-authored-by: Quentin Mourier <qmo@odoo.com>