East Harlem businesses being displaced by the Second Avenue Subway extension claim the MTA is dragging its feet forking over the financial compensation and relocation assistance they desperately need. “They’ve left me hanging,” said 59-year-old Lu Nicaj, whose 30-year tile-construction supply shop Eagle Tile is facing closure over the upcoming second phase of the behemoth Manhattan transit project. “I don’t know the future. I’m keeping my fingers crossed, but I do not know what’s gonna happen,”