LOS ANGELES As fresh fires raced across the Los Angeles region, an embattled movie industry lined up behind the Netflix narco-musical about transgender identity “ Emilia Pérez ” in Oscar nominations yesterday. Jacques Audiard’s “Emilia Pérez,” a Spanish language, French-made film, dominated the nominations with a leading 13 nominations, including best picture and best actress for Karla Sophia Gascon, making her the first openly trans actor ever nominated for an Oscar. Another musical — “Wicked,”