fix: Fixes auto_advance feature for video XBlock (#35200)

Signed-off-by: Farhaan Bukhsh <farhaan@opencraft.com>

xmodule/js/src/video/08_video_auto_advance_control.js

@@ -119,8 +119,16 @@
                 },
 
                 autoAdvance: function() {
+                    // We are posting a message to the MFE and then let the eventlistener
+                    // in the MFE handle the action taken.
                     if (this.state.auto_advance) {
-                        $('.sequence-nav-button.button-next').first().click();
+                         if (window !== window.parent) {
+                            window.parent.postMessage({
+                              type: 'plugin.autoAdvance',
+                              payload: {}
+                            }, document.referrer
+                          );
+                         }
                     }
                 }
             };