dataLables.background.backgroundColor should be undefined by default

Author: junedchhipa

src/modules/DataLabels.js

@@ -373,7 +373,9 @@ class DataLabels {
       }
       if (elRect) {
         el.parentNode.insertBefore(elRect.node, el)
-        const background = w.config.dataLabels.background.backgroundColor
+        const background =
+          w.config.dataLabels.background.backgroundColor ||
+          el.getAttribute('fill')
 
         const shouldAnim =
           w.config.chart.animations.enabled &&

src/modules/settings/Options.js

@@ -725,7 +725,7 @@ export default class Options {
         background: {
           enabled: true,
           foreColor: '#fff',
-          backgroundColor: '#323232',
+          backgroundColor: undefined,
           borderRadius: 2,
           padding: 4,
           opacity: 0.9,