fixed wrong attribute in pruefungs-termin

prevented prod-build, error introduced by data model change

src/main/webapp/app/entities/pruefungs-termin/pruefungs-termin-detail.component.html

@@ -27,7 +27,7 @@
                 </dd>
                 <dt><span>Lva</span></dt>
                 <dd>
-                    <span *ngFor="let lva of pruefungsTermin.lvas; let last = last">
+                    <span *ngFor="let lva of pruefungsTermin.lvainstanzs; let last = last">
                         <a [routerLink]="['/lva', lva?.id, 'view' ]">{{lva.lvanr}} ({{lva.kohorte}})</a>{{last ? '' : ', '}}
                     </span>
                 </dd>