forked from loafle/openapi-generator-original
* fix: set fields to null if json value is null. * rebuild dart2 petstore * rebuild dart petstore * rebuild petstore * [DART]fix: set fields to null if json value is null.
* fix: set fields to null if json value is null. * rebuild dart2 petstore * rebuild dart petstore * rebuild petstore * [DART]fix: set fields to null if json value is null.