restore display of masked pixels (lightbulb button)

GUI/View/Canvas/MaskEditorCanvas.cpp

@@ -90,6 +90,7 @@ void MaskEditorCanvas::onPresentationChange(bool pixelized)
             m_data2DItem->setInterpolated(m_backup_interpolated);
         }
     }
+    m_scene->updateSize(m_view->size()); // TODO replace by proper repaint command
 
     if (auto* container = m_data2DItem->maskContainerItem())
         for (MaskItem* mask : container->modifiableMaskItems())