message: Fix content changed after view checked error caused by loader animation
diff: import { Component, OnInit } from '@angular/core';
  import { Router, ActivatedRoute, Params, NavigationEnd, NavigationCancel, NavigationStart, RouterEvent } from '@angular/router';
  +import { delay } from 'rxjs/operators';
  @Component({
  // disabling component-selector rule as the main application component name does not require it
  @@ -18,7 +19,9 @@ export class FlogoAppComponent implements OnInit {
  }
  public ngOnInit() {
  - this.router.events.subscribe((event: RouterEvent): void => {
  + this.router.events
  + .pipe(delay(0))
  + .subscribe((event: RouterEvent): void => {
  if (event instanceof NavigationStart) {
  this.isPageLoading = true;
  } else if (event instanceof NavigationEnd || event instanceof NavigationCancel) {
  