message: fix(aio): scroll to top immediately when doc changes
diff: @@ -185,6 +185,9 @@ export class AppComponent implements OnInit {
  // Stop fetching timeout (which, when render is fast, means progress bar never shown)
  clearTimeout(this.isFetchingTimeout);
  + // Put page in a clean visual state
  + this.scrollService.scrollToTop();
  +
  // Scroll 500ms after the doc-viewer has finished rendering the new doc
  // The delay is to allow time for async layout to complete
  setTimeout(() => {
  