PARIS — “I don’t want to disappoint anybody, but I am not a tailor, and not even a couturier: I am well versed in the theory of dressmaking, and am good with pins after all these years, but I can’t make things with my hands,” admitted Valentino designer Alessandro Michele in a press conference after the electronic grand guignol of his first ever couture show. “When I was a kid, I wanted to be a costume designer — and I think it…