MIAMI—Miami Heat guard Tyler Herro was working out Thursday morning with assistant coaches Chris Quinn and Eric Glass, when they were told there was a more pressing need. Before long, Herro, Quinn, and Glass had left the team’s arena for the short drive north to Surfside, Florida, where a 12-story beachfront condo building collapsed around 1:30 a.m. At least one person was killed, dozens were unaccounted for and teams of rescuers were searching rubble with the hope of finding anyone alive. The Heat trio helped load a truck with water, food, and other essentials. “This is 12 miles from our arena,” Heat vice president and charitable fund executive director Steve Stowe said. “We heard about this, and our immediate reaction was that we had to find a way to help.” Herro also addressed the frontline workers, thanking them for their heroism and efforts. The Heat, through some of their corporate …