Warner Bros may be for sale, but the studio’s acclaimed hits “Sinners” and “One Battle After Another” are expected to dominate the Oscar nominations when the Academy announces its final contenders Thursday. Both are tipped to rack up a dozen or more nods for Hollywood’s grandest awards ceremony — from best picture and best actor to the new best casting prize. The rare and enviable position of a single Hollywood studio boasting the two clear Oscars frontrunners ironically comes in what could be Warner Bros’ swansong year as an…