Culturally, Frances Ha almost feels like Noah Baumbach issuing a challenge to all listless twenty-somethings stubbornly fixated on spending their time finding themselves: get found already, dammit. Throughout his career, Baumbach has showcased a knack for capturing the unbearable sensation of being emotionally unmoored, and across his entire filmography, Frances Ha – lyrical, succinct, rapturously authentic – may display that talent better than the rest. Think of it as a quartet of Girls episodes mashed together into an eighty minute bonanza of comic incident, if you must; the film is set in New York, and focuses on the travails of a young, white, up and coming female struggling to make her dreams come…