Merge pull request #428 from 3DStreet/remove-shadow-from-json

remove shadow component from saved JSON

src/json-utils.js

@@ -298,7 +298,7 @@ function getModifiedProperty(entity, componentName) {
     entity
   );
 
-  const mixinSkipProps = ['src', 'atlas-uvs', 'gltf-model', 'gltf-part'];
+  const mixinSkipProps = ['src', 'atlas-uvs', 'gltf-model', 'gltf-part', 'shadow'];
   if (mixinsData && mixinSkipProps.includes(mixinCompName)) {
     // skip properties, if they exists in element's mixin
     return null;