use styleOnSelect in scatterpolar and barpolar

- to improve selection perf.

Author: etpinard

src/traces/barpolar/index.js

@@ -24,7 +24,9 @@ module.exports = {
 
     plot: require('./plot'),
     colorbar: require('../scatter/marker_colorbar'),
+
     style: require('../bar/style').style,
+    styleOnSelect: require('../bar/style').styleOnSelect,
 
     hoverPoints: require('./hover'),
     selectPoints: require('../bar/select'),

src/traces/scatterpolar/index.js

@@ -20,6 +20,7 @@ module.exports = {
     calc: require('./calc'),
     plot: require('./plot'),
     style: require('../scatter/style').style,
+    styleOnSelect: require('../scatter/style').styleOnSelect,
     hoverPoints: require('./hover').hoverPoints,
     selectPoints: require('../scatter/select'),