Pleasance Courtyard, EdinburghThe comedy newcomer delivers an expertly constructed set with chutzpah " but not all the jokes land with precision There's a bait-and-switch to begin newcomer James Trickey's show, which starts with our host in sunglasses raving to techno music. The music stops, the shades are removed and then, in deadpan: "I'm a chartered accountant." It's a fun pivot, from suave to schmuck. It's also a…