NEW YORK — Five takeaways from the Miami Heat’s 96-95 overtime win over the Brooklyn Nets (16-23) at Barclays Center on Monday night on the back end of a back-to-back to open its quick two-game trip. The Heat (24-16), which has now won three straight games, closes the trip on Wednesday against the Raptors in Toronto: One of the worst shooting games of the NBA season came down to overtime, and the Heat managed to escape with the win.The Nets entered halftime with a 14-point lead, but it was a close game for essentially the entire second half. There were 15 lead changes following the first half,…