Removed key sorting from json generation in json_export

src/export/strategies/json_export.py

@@ -25,7 +25,7 @@ class json_export(export):
 
         data = converter_factory.create(model).convert(model)
 
-        return json.dumps(data, sort_keys=True, indent=4)
+        return json.dumps(data, indent=4)
 
     def postprocess(self, text):
         """Пост-обработка текста перед экспортом (по надобности)"""