3D Pie chart shows incorrect color after a drill-down

Steps to Reproduce

1. load the attached example
2. click an area within the pie to drilldown

Current Result

the pie shows one single color on the whole chart instead of several colors.

Expected Result

the pie shows various colors for different points

debug info

• a reproducible case with Highcharts only http://jsfiddle.net/yhqqo2wv/14/

Root Cause

• a highcharts bug https://github.com/highcharts/highcharts/issues/4359

Workaround

• apply a overridden path mentioned in highcharts' tracker and replace highcharts.js and highcharts-3d.js with 4.1.8

  <script><![CDATA[
  zk.afterLoad('chart', function() {
      Highcharts.wrap(Highcharts.SVGRenderer.prototype, 'arc3d', function (proceed) {
          var result = proceed.apply(this, [].slice.call(arguments, 1));
          result.fadeIn = result.show;
          return result;
      });	
  });//zk.afterLoad
  ]]></script>