BROOKLYN – Mikhail Prokhorov once vowed to take over New York as owner of the Brooklyn Nets and turn Knicks fans into Nets fans. But on Thursday night in front of a national TV audience, it was the Knicks who took over Brooklyn and Barclays Center. It was so bad, Brooklyn’s introductory video malfunctioned before loud boos for Kevin Garnett and Jason Kidd filled the arena during the starting lineup introductions. Chants of “Let’s go Knicks” began as New York pulled away