Page Delivery API does not include facets or resultset documents

See https://community.bloomreach.com/t/bloomreach-page-model-api-facets-returned

Reproduction:

Start 14.7.x, add blogs feature and to hst:mount add

hst:pagemodelapi = api

and then visit http://localhost:8080/site/api/blog

The resultset is present as folder but no child docs and there are not facets in the result

Flagged by Athlon International