PHILADELPHIA — Perhaps the best thing the Sixers did in Game 3 was control the energy in the building early. With both fanbases well represented, Philadelphia took control of the environment, drowning out any energy in favor of the Knicks with a blistering start to the game. But as the first quarter went on and the Knicks chipped away, you felt the environment go against Philadelphia, every good play by the away team magnified by their well-traveled supporters. By the end of the first, the Knicks had the Sixers' advantage whittled down to four points. The break in between quarters did not stop the momentum New York built. Joel Embiid never had it, clearly hobbled by injuries. But as damaging as his admirable effort to play through injuries was his lack of poise. His focus was on drawing out the whistle practically every time he touched the ball in the first half. He lacked control with the ball, forcing aggression instead of applying it methodically.…