message: Fix isCanceled usage for textures (Nate's changes broke reality model textures)
diff: @@ -718,7 +718,7 @@ export namespace GltfTileIO {
  const textureParams = new RenderTexture.Params(undefined, textureType);
  return ImageUtil.extractImage(imageSource)
  - .then((image) => this._canceled ? undefined : this._system.createTextureFromImage(image, ImageSourceFormat.Png === format, this._iModel, textureParams))
  + .then((image) => this._isCanceled ? undefined : this._system.createTextureFromImage(image, ImageSourceFormat.Png === format, this._iModel, textureParams))
  .catch((_) => undefined);
  } catch (e) {
  return undefined;
  