It’s only 22 miles from the mainland, but Catalina Island feels like a million miles away from the rest of bustling, over-amped Southern California. It’s a dreamy place, with a lay-back island rhythm. Thanks largely to the vision of chewing gum magnate William Wrigley, Catalina Island has been a popular Southern California getaway for nearly a century. We set off on a weekend trip, and I’m happy…