It’s a weekday at 11:30 a.m. at the Blue Hill restaurant in Manhattan, and a group of alcohol writers are milling around with cocktails in their hands. The drinks are an off-yellow mix of Meyer lemon, honey, and a base product called Seedlip, and they’re all mixed and shaken by a bartender. Cocktails at 11:30 a.m. on a workday are, in …