Tom Grater, Andreas Wiseman EXCLUSIVE: Chelsea Winstanley, the Oscar nominated producer of Jojo Rabbit and What We Do In The Shadows, has arrived back in her native New Zealand to begin filming on feature documentary Toi Tu Toi Ora – Visual Sovereignty.The pic will follow the final year of preparation for the first international showing of Auckland Art Gallery Toi o Tāmaki’s forthcoming exhibition, Toi Tū Toi Ora: Contemporary Māori Art; the most comprehensive survey of contemporary Māori art to