More than two years into the Deshaun Watson era, the Cleveland Browns still don’t know what it’s like to have the quarterback play a full season — or even half of one, for that matter. Watson has missed 11 games in each of his first two campaigns with the franchise. In 2022 that was due to a suspension from the NFL for violating its player code of conduct policy. Last year, it was due to a shoulder injury that required season-ending surgery in November. But the QB continues his rehabilitation…