get preview image sort change

www/js/beauty.js

@@ -226,7 +226,7 @@ if ($('#pr-player').length > 0 && typeof(videojs) != 'undefined') {
     var tryToGetVideoSnapshot = function() {
         if (noSnapVideos.length == 0) {return false;}
 
-        var videoItem = noSnapVideos.pop();
+        var videoItem = noSnapVideos.shift();
         mc_video_id = videoItem.id;
 
         try {