The return to a world of pure imagination tops the DVD releases for the week of Feb. 27. “Wonka”: Timothée Chalamet stars in this magical musical origin story of mischievous chocolatier Willy Wonka, helmed by “Paddington” director Paul King. “Though there may have been skepticism about ‘Wonka,’ there’s no need to worry about this origin tale in the hands of King and Chalamet, who gives himself over fully to the wonder and magic of this role, putting his own mark on the iconic Willy Wonka,” writes Tribune News Service critic Katie Walsh in her review. “Go ahead and enjoy this delightful delicac…