fix(frontend): TypeError in edit-assignment.component.html

frontend/src/app/assignment/modules/edit-assignment/edit-assignment/edit-assignment.component.html

@@ -1,14 +1,14 @@
 <div class="container">
   <h1>
-    {{$any(context.assignment)?._id ? 'Edit' : 'Create'}}
+    {{ context.assignment?.['_id'] ? 'Edit' : 'Create' }}
     Assignment
   </h1>
   <div class="d-flex align-items-center mb-3">
     <app-import-export class="me-auto" (import)="onImport($event)" (export)="onExport()"></app-import-export>
     <a class="btn btn-secondary ms-2" routerLink="/assignments">
       Cancel
     </a>
-    @if (context.assignment['_id']) {
+    @if (context.assignment?.['_id']) {
       <a class="btn btn-info ms-2" routerLink="diff">
         View Diff
       </a>
@@ -19,11 +19,9 @@ <h1>
       </button>
     }
     <button class="btn btn-primary ms-2" (click)="submit()" [disabled]="submitting">
-      {{$any(context.assignment)?._id ? (submitting ? 'Saving...' : 'Save') : (submitting ? 'Submitting...' : 'Submit')}}
+      {{ submitting ? 'Saving...' : 'Save' }}
     </button>
   </div>
   <ngbx-route-tabs [routes]="steps"></ngbx-route-tabs>
-  @if (context.assignment) {
-    <router-outlet></router-outlet>
-  }
+  <router-outlet></router-outlet>
 </div>