`CustomField` model is missing `multi_enum_values` as discussed in https://forum.asana.com/t/multi-enum-fields-are-missing-their-selected-values-inside-task-objects/163631/5. It should be a list of `EnumOption`.
CustomFieldmodel is missingmulti_enum_valuesas discussed in https://forum.asana.com/t/multi-enum-fields-are-missing-their-selected-values-inside-task-objects/163631/5. It should be a list ofEnumOption.