docs: fixed live example for the lifecycle hooks. (#23201)

PR Close #23201

aio/content/examples/lifecycle-hooks/src/app/peek-a-boo-parent.component.ts

@@ -43,6 +43,7 @@ export class PeekABooParentComponent {
       this.heroName = 'Windstorm';
       this.logger.clear(); // clear log on create
     }
+    this.hookLog = this.logger.logs;
     this.logger.tick();
   }