PARIS — On Saturday night, Dries Van Noten waved goodbye after a 38-year career in which he changed fashion: not just the way people wear clothes, but the way they experience them, too, in shows that defined the idea of intelligent spectacle. His last was no exception to that rule. It was the perfect conceptual bookend, in that it was a men’s show and his first actual show was a menswear presentation for Spring 1992. Now, brace for full…