STRESA, Italy — Incessant rain failed to put a damper on Nicolas Ghesquiere’s ambitions for his Louis Vuitton 2024 Cruise collection, unveiled Wednesday to an A-list crowd including Oprah Winfrey, Cate Blanchett, Jennifer Connelly and Emma Stone. Originally envisioned against a golden sunset setting aglow magnificent fountain on the aptly named Isola Bella on northern Italy’s Lake Maggiore, the show …