Photo: Neon/Everett Collection On Little West 12th Street underneath the High Line sits Hector’s, a Mexican-inflected diner that’s been there since 1949, a last remnant of the old Meatpacking District. “They filmed Taxi Driver in here,” enthused one of the restaurant’s fans, actor Fred Hechinger, on a sunny afternoon. Now Hector’s is across the street from the Standard Hotel and a Tesla dealership. Recently, Hechinger, who lives nearby, learned that the place was set to close at an