By Michael Tedder The latest “Fantastic Beasts” film flopped over the weekend. Is the magic over for the Harry Potter franchise? “Fantastic Beasts: The Secrets of Dumbledore,” the latest film in Warner Bros.’ (DISCA) – Get Discovery, Inc. Class A Report spin-off of Harry Potter’s “Wizarding World,” opened in the United States this past weekend to the tune of $43 million dollars. That’s well below the $74 million brought in by “Fantastic Beasts and Where to Find Them,” which kickstarted the prequel series in 2016, and its 2018 follow-up “Fantastic Beasts: The Crimes of Grindelwald” and nowhere …