Piece of Kings cake. The Knicks sacked Sacramento on Tuesday night at home, 116-96, leading for the final 43 minutes to snap a three-game losing streak. It was a balanced performance from the Knicks (24-27), with five players (Julius Randle, Evan Fournier, Obi Toppin, Quentin Grimes and Immanuel Quickley) contributing at least 14 points. The only drama in the second half was whether Cam Reddish would get playing time, which seemed especially significant to the Garden crowd that loudly chanted his name. Reddish entered to a ovation with five minutes remaining and finished the victory on the cou…