TORONTO — Five takeaways from the Miami Heat’s 121-97 loss the Toronto Raptors (16-25) at Scotiabank Arena on Wednesday night to close its quick two-game trip at 1-1. The Heat (24-17) now returns home for a short one-game stay in Miami to face the Atlanta Hawks on Friday on Udonis Haslem Jersey Retirement Night: The Heat’s run of dominant defensive performances ended Wednesday after a nightmarish first half.Even with the Raptors in a state of flux after trading two-time All-Star forward Pascal Siakam to the Indiana Pacers on Wednesday, the Heat looked like the team on disarray. After holding t…