Resolve "Reviewing Badges: Zusätzliche Icons"

Related to #397 (closed)

src/main/webapp/app/exercise/exercise-details/exercise-details.component.ts

@@ -212,7 +212,7 @@ export class ExerciseBodyComponent implements OnInit, OnDestroy {
     potentialEditors = potentialEditors.concat(this.exercise.metadata.creator);
     potentialEditors = potentialEditors.concat(this.exercise.metadata.publisher);
 
-    for (let pE of potentialEditors) {
+    for (const pE of potentialEditors) {
       if (pE.email.localeCompare(email, undefined, { sensitivity: 'base' }) === 0) return true;
     }
     return false;