PHILADELPHIA — A question is now answered. Jalen Brunson’s NBA worth is not that of a second-round draft choice, but of a player worthy of a four-year contract for $104 million, making him the new centerpiece of the New York Knicks. This could go one of two ways: Either Brunson turns out to be the perfect building block for a franchise desperate to return to past glory, or Knicks fans will eventually revolt at giving all that money to a player without enough Broadway razzmatazz in his game. (I’m thinking how Sixers fans often looked at Andre Iguodala and his big contract.) If you’re looking to…