message: Use Georeference of Tileset during movie
  This had been spotted during the refactoring, and it was
  confirmed in the PR comments that the TODO can be resolved
  by just using the Georeference of the Tileset.
diff: @@ -184,40 +184,33 @@ void ACesium3DTileset::SetOpacityMaskMaterial(UMaterialInterface* InMaterial) {
  }
  void ACesium3DTileset::PlayMovieSequencer() {
  - // TODO GEOREF_REFACTORING: This should proably use the
  - // actual Georeference, and not obtain a new one, to make
  - // sure that the behavior in the sequencer is the
  - // same as in the non-sequencer run
  - ACesiumGeoreference* cesiumGeoreference =
  - ACesiumGeoreference::GetDefaultGeoreference(this);
  -
  this->_beforeMoviePreloadAncestors = this->PreloadAncestors;
  this->_beforeMoviePreloadSiblings = this->PreloadSiblings;
  this->_beforeMovieLoadingDescendantLimit = this->LoadingDescendantLimit;
  + if (IsValid(this->Georeference)) {
  this->_beforeMovieKeepWorldOriginNearCamera =
  - cesiumGeoreference->KeepWorldOriginNearCamera;
  + this->Georeference->KeepWorldOriginNearCamera;
  + }
  this->_captureMovieMode = true;
  this->PreloadAncestors = false;
  this->PreloadSiblings = false;
  this->LoadingDescendantLimit = 10000;
  - cesiumGeoreference->KeepWorldOriginNearCamera = false;
  + if (IsValid(this->Georeference)) {
  + this->Georeference->KeepWorldOriginNearCamera = false;
  + }
  }
  void ACesium3DTileset::StopMovieSequencer() {
  - // TODO GEOREF_REFACTORING: This should proably use the
  - // actual Georeference, and not obtain a new one, to make
  - // sure that the behavior in the sequencer is the
  - // same as in the non-sequencer run
  - ACesiumGeoreference* cesiumGeoreference =
  - ACesiumGeoreference::GetDefaultGeoreference(this);
  this->_captureMovieMode = false;
  this->PreloadAncestors = this->_beforeMoviePreloadAncestors;
  this->PreloadSiblings = this->_beforeMoviePreloadSiblings;
  this->LoadingDescendantLimit = this->_beforeMovieLoadingDescendantLimit;
  - cesiumGeoreference->KeepWorldOriginNearCamera =
  + if (IsValid(this->Georeference)) {
  + this->Georeference->KeepWorldOriginNearCamera =
  this->_beforeMovieKeepWorldOriginNearCamera;
  }
  +}
  void ACesium3DTileset::PauseMovieSequencer() { this->StopMovieSequencer(); }
  