message: fix(core): error if NgZone.isInAngularZone is called with a noop zone
  When the user opts into the noop `NgZone`, they usually still interact with the static methods on the non-noop class. This change adds a check to handle the case where zone.js hasn't been loaded.
  Fixes
  PR Close
diff: @@ -153,7 +153,8 @@ export class NgZone {
  }
  static isInAngularZone(): boolean {
  - return Zone.current.get('isAngularZone') === true;
  + // Zone needs to be checked, because this method might be called even when NoopNgZone is used.
  + return typeof Zone !== 'undefined' && Zone.current.get('isAngularZone') === true;
  }
  static assertInAngularZone(): void {
  