“Anais in Love” is a delightful new French rom-com, written and directed by a woman (Charline Bourgeois-Tacquet), which premiered at Cannes in 2021. The film does take a bit of patience. Not because its pace is slow (au contraire), but because its pace is fast. Anais (Anaïs Demoustier) is a 30-year-old who literally does…