NEW YORK — The assault case against Jonathan Majors is built on a foundation of “pretty little lies” by his ex-girlfriend Grace Jabbari, the Marvel actor’s defense lawyer said in a searing closing argument in Manhattan Criminal Court. “It’s just fake. Nothing she says makes sense,” lawyer Priya Chaudhry told jurors Thursday. “Nothing she says is medically possible. Everything she said is belied by the videos. Everything she said is belied by the witnesses who were there that night.” Majors, 34, is accused of breaking his 30-year-old ex’s right middle finger and hitting her hard enough to leave…