message: remove buffer geometry from world: hack for time series
diff: @@ -640,24 +640,16 @@ void MainWindow::refreshScene(bool resetCam)
  world->createChild(
  "materialref", "reference_to_material", defaultMaterialIdx);
  - // very bad hack below; for some reason timeseries first timestep frame does
  - // not take effect when the world here is empty
  - // if (timeseriesMode)
  - world->createChild("buffergeom", "geometry_boxes");
  -
  if (scene == "import") {
  - world->remove("buffergeom");
  if (!importGeometry(world)) {
  return;
  }
  } else if (scene == "import volume") {
  - world->remove("buffergeom");
  if (!importVolume(world)) {
  return;
  }
  } else {
  if (scene != "empty") {
  - world->remove("buffergeom");
  auto &gen = world->createChildAs<sg::Generator>("generator",
  "generator_" + scene);
  gen.generateData();
  