Mongo object to Parse object date serialization - avoid re-serialization of iso of type Date (#3389)

* Mongo object to Parse object date serialization - avoid nested ios

* Mongo object to Parse object date serialization

* Remove file from previous commit

src/Adapters/Storage/Mongo/MongoTransform.js

@@ -726,6 +726,11 @@ const nestedMongoObjectToNestedParseObject = mongoObject => {
       return BytesCoder.databaseToJSON(mongoObject);
     }
 
+    if (mongoObject.hasOwnProperty('__type') && mongoObject.__type == 'Date' && mongoObject.iso instanceof Date) {
+      mongoObject.iso = mongoObject.iso.toJSON();
+      return mongoObject;
+    }
+
     return _.mapValues(mongoObject, nestedMongoObjectToNestedParseObject);
   default:
     throw 'unknown js type';