Changed svg nodes to use contrastMode state

client/app/scripts/charts/node-shape-stack.js

@@ -1,10 +1,10 @@
 import React from 'react';
+import { connect } from 'react-redux';
 
 import { NODE_BASE_SIZE } from '../constants/styles';
-import { isContrastMode } from '../utils/contrast-utils';
 
-export default function NodeShapeStack(props) {
-  const shift = isContrastMode() ? 0.15 : 0.1;
+function NodeShapeStack(props) {
+  const shift = props.contrastMode ? 0.15 : 0.1;
   const highlightScale = [1, 1 + shift];
   const dy = NODE_BASE_SIZE * shift;
 
@@ -26,3 +26,11 @@ export default function NodeShapeStack(props) {
     </g>
   );
 }
+
+function mapStateToProps(state) {
+  return {
+    contrastMode: state.get('contrastMode')
+  };
+}
+
+export default connect(mapStateToProps)(NodeShapeStack);