Added many-to-many fields to product and preparation models
Added many-to-many fields to product and preparation models

refs #16581

osu-cass/whats-fresh-api,iCHAIT/whats-fresh-api,osu-cass/whats-fresh-api,iCHAIT/whats-fresh-api,iCHAIT/whats-fresh-api,iCHAIT/whats-fresh-api,osu-cass/whats-fresh-api,osu-cass/whats-fresh-api