message: Add classifier expansion.
diff: @@ -933,7 +933,7 @@ export abstract class ViewState extends ElementState {
  if (classifier.isActive) {
  const classifierModel = this.iModel.models.getLoaded(classifier.modelId) as GeometricModelState;
  if (undefined !== classifierModel) {
  - classifierModel.loadTileTree(true);
  + classifierModel.loadTileTree(true, classifier.expand);
  if (undefined !== classifierModel.classifierTileTree)
  classifierModel.classifierTileTree.drawScene(context);
  }
  