TALLAHASSEE — A California-based producer of lab-grown poultry filed a federal lawsuit Tuesday challenging a new Florida ban on selling or manufacturing “cultivated” meat. Upside Foods Inc., contends, in part, that the law violates a constitutional prohibition on favoring in-state businesses over out-of-state competitors. “We’re not looking to replace conventional meat, which will always have a place on our tables,” Uma Valeti, a cardiologist who founded Upside in 2015, said during a conference...