Before this commit:
    * Install `survey` module
    * Create a survey
    * In the survey options, set "Login required" to True
    * Try to print the survey or test survey > review survey
    -> Crash, request object does not have a website attribute

With this commit, we move the check for request.website.user_id into the
website_survey module by overriding a private helper method that is
called in the main method that handles the print survey route, this
means that the printing works with both survey and website_survey
installed.

Fixes #37224

closes odoo/odoo#37333

Signed-off-by: Martin Trigaux (mat) <mat@odoo.com>