title: Redraw sunburst Chart after update the series
body: <p>I am trying to update the Sunburst chart series on the change of dropdown. But my chart data series is not updating. Right now When I am trying to update the chart just the tooltip is getting updated chart is not redrawing.
  Below is my code and JS fiddle demo URL:
  <a href="https://jsfiddle.net/n0y87osa/6/" rel="nofollow noreferrer">https://jsfiddle.net/n0y87osa/6/</a></p>
  <pre><code>var options  =  {
  
    chart: {
      height: '70%',
     // type: 'sunburst'
     renderTo: 'container'
  
    },
  
    plotOptions: {
      sunburst: {}
    },
    series: [{
      type: &quot;sunburst&quot;,
      name: 'Root',
      data: data,
      point:{
        events:{
          click: function (event) {
            alert(this.name);
          }
        }
      },
      allowDrillToNode: true,
      cursor: 'pointer',
      dataLabels: {
  
            style: {
              fontSize: &quot;12px&quot;,
              //color: &quot;#515151&quot;,           
              fontWeight: 'normal !important',
              fontFamily: &quot;'Open Sans', sans-serif&quot;,
              textOutline : 0,
              color: '#fff'
            },
      },
      levels: [{
              level: 1,
              levelIsConstant: false,
              dataLabels: {
                 filter: {
                      property: 'outerArcLength',
                      operator: '&gt;',
                      value: 64
                  },
              },
          },{
        level: 2,
        dataLabels: {
          rotationMode: 'parallel'
        }
      }, {
        level: 3,
        colorVariation: {
          key: 'brightness',
          to: -0.4 //Tells the gradation extent
        }
      }]
    }],
    tooltip: {
      shared: true,
    }
  };
  var chart = new Highcharts.Chart(options);
  
  
  $('#type_').on('change',function(){
        alert(this.value);
        chart.series[0].setData(data2);
        
        chart.redraw()
      });
  </code></pre>