GLENDALE, Ariz. — From a purely practical standpoint, the most reassuring aspect of Patrick Mahomes’ second — and likely last — 2023 preseason appearance was selfevident: the 10-play, 92-yard touchdown drive he deftly orchestrated on Saturday at State Farm Stadium in a 38-10 victory over Arizona. Well, that and staying healthy. Mahomes being Mahomes, though, the most memorable and telling…