Hot Feet, the new musical with songs old and new by Earth, Wind & Fire making its world premiere at the National Theater, inevitably will be compared to its juke-box-soundtrack predecessors, from the Billy Joel-driven Movin’ Out to the Beach Boys bash Good Vibrations. And while those shows are frequently derided by the theater-snob community, Hot Feet’s curse is that it may not even connect with mainstream audiences: it lacks the guilty-pleasure infectuousness of a…