Merge pull request #874 from Codeinwp/bugfix/324

Fix console error when render radar/pie chart

Author: cristian-ungureanu

js/render-facade.js

@@ -119,7 +119,7 @@
      */
     function showChart(id) {
         // clone the visualizer object so that the original object is not affected.
-        var viz = Object.assign({}, visualizer);
+        var viz = Object.assign(visualizer, window.visualizer || {});
         if(id){
             viz.id = id;
         }

js/render-google.js

@@ -435,6 +435,7 @@ var __visualizer_chart_images   = [];
     });
 
     $(window).on('load', function(){
+        $( '.visualizer-front:not(.visualizer-chart-loaded)' ).resize();
         resizeHiddenContainers(true);
     });