Russian-born modernist Wassily Kandinsky’s Murnau mit Kirche II (Murnau with Church II) sold for $44.9 million last night at Sotheby’s in London, after the controversial painting was restored to the heirs of its rightful owners. After a 12-year legal wrangle, the canvas had recently been returned by the Van Abbemuseum in Eindhoven, Netherlands, to the…