wait for assets to be loaded in create scene data

src/components/DoodlePreview.js

@@ -51,7 +51,7 @@ class DoodlePreview extends React.Component {
 
     const { canvas } = this.refs;
 
-    const sceneData = createSceneData(sketchData);
+    const sceneData = await createSceneData(sketchData);
 
     const scene = createScene(sceneData, canvas);
     this.setState(scene);

src/d3/createSceneData.js

@@ -1,7 +1,10 @@
 import shortid from 'shortid';
 import { SHAPE_TYPE_PROPERTIES } from '../constants/shapeTypeProperties.js';
+import { load } from '../utils/loaded.js';
+
+export default async function createSceneData(docData) {
+  await load;
 
-export default function docToShapeData(docData) {
   const sketchData = {
     spaces: {},
     objectsById: {}