message: Extend rather than nest config
diff: @@ -90,17 +90,18 @@ export async function registerAttach(loader: Loader, container: Container, uri:
  export function createLoader(
  resolved: IResolvedUrl,
  - config: any,
  + options: any,
  scope: IComponent,
  codeLoader: ICodeLoader,
  hostConf: IHostConfig,
  ): Loader {
  - const options = {
  - blockUpdateMarkers: true,
  - config,
  - tokens: (resolved as IFluidResolvedUrl).tokens,
  - };
  + // we need to extend options, otherwise we nest properties, like client, too deeply
  + //
  + // tslint:disable-next-line: no-unsafe-any
  + options.blockUpdateMarkers = true;
  + // tslint:disable-next-line: no-unsafe-any
  + options.tokens = (resolved as IFluidResolvedUrl).tokens;
  return new Loader(
  { resolver: hostConf.urlResolver },
  