Fix multiple chart render issue Codeinwp/visualizer-pro#324

Author: girishpanchal30

js/render-google.js

@@ -434,6 +434,7 @@ var __visualizer_chart_images   = [];
     });
 
     $(window).on('load', function(){
+        $( '.visualizer-front:not(.visualizer-chart-loaded)' ).resize();
         resizeHiddenContainers(true);
     });