fix: model not displayed in testing view

Author: abainczyk

frontend/src/main/javascript/src/js/components/learner-result-panel/learner-result-panel-checking-view/learner-result-panel-checking-view.component.html

@@ -78,9 +78,5 @@
       </div>
     </div>
 
-    <div class="alert alert-info" ng-if="vm.formulas.length === 0">
-      There aren't any lts formulas yet.
-    </div>
-
   </div>
 </div>

frontend/src/main/javascript/src/js/components/learner-result-panel/learner-result-panel-testing-view/learner-result-panel-testing-view.component.ts

@@ -16,6 +16,7 @@
 
 import {LearnResult} from '../../../entities/learner-result';
 import {Resizer} from '../../../utils/resizer';
+import {IRootElementService} from 'angular';
 
 /** Component for the testing view. */
 export const learnerResultPanelTestingViewComponent = {
@@ -34,7 +35,8 @@ export const learnerResultPanelTestingViewComponent = {
     public result: LearnResult;
     public pointer: number;
 
-    constructor(private $element: any) {}
+    /* @ngInject */
+    constructor(private $element: IRootElementService) {}
 
     $onInit(): void {
       this.registerMenu({menu: []});