fix(@schematics/angular): html indentation

The div was badly aligned in `app.component.html`

(cherry picked from commit 0b987b5)

Author: cexbrayat

packages/schematics/angular/application/files/common-files/src/app/app.component.html.template

@@ -227,7 +227,7 @@
       </svg>
       <h1>Hello, {{ title }}</h1>
       <p>Congratulations! Your app is running. 🎉</p>
-   </div>
+    </div>
     <div class="divider" role="separator" aria-label="Divider"></div>
     <div class="right-side">
       <div class="pill-group">