Jennifer Lopez was left stunned by “Office Romance” co-star Brett Goldstein’s nearly perfect knowledge of her movie career in an interview clip shared by Netflix Saturday — despite the fact that Goldstein warned her he would “f–king smash” the challenge. Goldstein more than proved he meant what he said, and Lopez was left agape as he correctly answered nearly every question she posed about “Maid in Manhattan,” “Selena” and “Hustlers.” Lopez bega…