UnknownAttributeError creating a product via API with a Permalink

[kennyadsl]

Solidus Version:
2.11.5, master

ActiveModel::UnknownAttributeError

To Reproduce

Trying to create a product with the permalink attribute included:

curl -si \
--header 'Authorization: Bearer <PLACE_API_KEY_HERE>' \
--header 'content-type: application/json' \
--request POST --url https://<PLACE_HOST_HERE>/api/products \
--data  '{"product": {"name":"Eraseme_2","permalink":null,"description":"To be erased.","meta_description":"","meta_keywords":"","price":"1000.0","sku":"ERS000001", "deleted_at":null,"option_values_hash":null,"weight":"0.0","height":null,"width":null,"depth":null,"shipping_category_id":1}}'

Current behavior

We get this 500 error.

ActiveModel::UnknownAttributeError in Spree::Api::ProductsController#create
unknown attribute 'permalink' for Spree::Product. 
Extracted source (around line #52)
          public_send(setter, v)
        else
          raise UnknownAttributeError.new(self, k)
        end
      end
  end

Expected behavior

I think that request should be successful, so we should understand why this is happening in the first place and fix it.

Alternatively, if the error is legit for some reason, we should not make the application explode but gracefully return an API error.