Prevent read_only changes on DataSet update when read_only input isnt provided

portal/graphql_schema.py

@@ -215,7 +215,7 @@ class DataSetMutation(DjangoModelFormMutation):
     @classmethod
     def get_form_kwargs(cls, root, info, **input) -> dict:
         kwargs = super().get_form_kwargs(root, info, **input)
-        if 'read_only' not in kwargs['data']:
+        if 'read_only' not in kwargs['data'] and 'instance' not in kwargs.keys():
             kwargs['data']['read_only'] = True
         return kwargs