“Maleficent,” and “Eternals” actress Angelina Jolie has officially signed to play a Greek-American opera singer Maria Callas in Oscar nominated filmmaker Pablo Larrain’s next movie, “Maria.” Following the Kristen Stewart-led Princess Diana biopic, “Spencer,” Natalie Portman-led Jacqueline Kennedy Onassis biopic, “Jackie,” Chilean filmmaker Pablo Larraín has enlisted another A-lister Angelina Jolie. The film follows the tumultuous,…