[FIX] website_slides: fix typo in enroll attribute

opw-2032459

closes odoo/odoo#34686

Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>

addons/website_slides/static/src/js/slides_course_quiz.js

@@ -329,7 +329,7 @@ odoo.define('website_slides.quiz', function (require) {
         _extractChannelData: function (slideData){
             return {
                 id: slideData.channelId,
-                channelEnroll: slideData.enroll,
+                channelEnroll: slideData.channelEnroll,
                 signupAllowed: slideData.signupAllowed
             };
         },