message: fix DirectVolumeVisual VolumeVisual creation
diff: @@ -170,7 +170,7 @@ export function DirectVolumeVisual(): VolumeVisual<DirectVolumeParams> {
  createLocationIterator: (volume: VolumeData) => LocationIterator(1, 1, () => NullLocation),
  getLoci: () => EmptyLoci,
  eachLocation: () => false,
  - setUpdateState: (state: VisualUpdateState, newProps: PD.Values<DirectVolumeParams>, currentProps: PD.Values<DirectVolumeParams>) => {
  + setUpdateState: (state: VisualUpdateState, volume: VolumeData, newProps: PD.Values<DirectVolumeParams>, currentProps: PD.Values<DirectVolumeParams>) => {
  },
  geometryUtils: DirectVolume.Utils
  })
  