Issue #3338303: Stutters and causes slow load times on pages that use views

Closes #3338303

js/back_to_top.js

@@ -48,7 +48,7 @@
           $("html, body").bind("scroll mousedown DOMMouseScroll mousewheel keyup", function () {
             window.cancelAnimationFrame(frame);
           });
-          scrollTo(0, 1200);
+          window.scrollTo({ top: 0, behavior: 'smooth' });
         });
       });