Resolve "Collections mehr hervorheben"

Related to #460 (closed)

src/main/webapp/app/exercise/exercise-details/exerciseComponents/exercise-body.component.html

@@ -156,7 +156,7 @@
         <span jhiTranslate="exercise.containedIn">This exercise is contained in</span>:
         <span
           >{{ parent!.metadata.title }}
-          <fa-icon style="padding: 5px 0px 0px 5px" container="body" [icon]="treeIcon"></fa-icon>
+          <fa-icon style="padding: 5px 0px 0px 5px" container="body" [icon]="upIcon"></fa-icon>
         </span>
       </div>
       <ng-template #helpToParent data-container="body"> {{ 'exercise.help.toParent' | translate }} </ng-template>
@@ -164,7 +164,7 @@
       <div *ngIf="hasChildren()">
         <span jhiTranslate="exercise.collectionContains">Collection contains</span>:
         <ul style="text-align: left">
-          <li *ngFor="let childInfo of getChildrenInfos()" (click)="toExercise(childInfo.childId)" style="cursor: zoom-in">
+          <li *ngFor="let childInfo of getChildrenInfos()" (click)="toExercise(childInfo.childId)" style="cursor: pointer">
             <span>
               {{ childInfo.title }}
             </span>