Resources generated via Essentials become "data.bin" in YAML

HCM-219 appears to have caused a regression in auto-export resource generation which produces "data.bin" resource references in YAML for all newly-created binary properties. This can be reproduced easily by adding the Banners feature from Essentials to a fresh archetype project, then checking:

myhippoproject/repository-data/application/src/main/resources/hcm-content/content/gallery/myhippoproject/banners.yaml