PARIS — Alessandro Michele invited us into a “Pavillon des Folies” for his runway debut at Valentino. In the censorious quarters of social media where the rush to judgment knows no speed limit, “folies” will undoubtedly stand for a madness they’ll view as unmitigated Michele redux, the G word prominent in their critiques. And maybe, by mentioning follies, he was perversely courting that reaction. Surely Michele could only toy with…