[FIX] sale: render the report as superuser

Same as 5dde19c9, sudo is not enough but the report needs to be
rendered with the user 1.
The access token proves the user has the access, the fact that he is a
portal, employee or public should not change the result

closes odoo/odoo#80465

Signed-off-by: Toufik Benjaa (tbe) <tbe@odoo.com>