Make scroller in expand-video.js passive

js/expand-video.js

@@ -172,7 +172,7 @@ function setupVideo(thumb, url) {
             changeSetting("videovolume", volume);
             e.preventDefault();
         }
-    }, false);
+    }, {passive: true});
 
     // [play once] vs [loop] controls
     function setupLoopControl(i) {