🚑 fix numberofclusters display

src/adjuster/adjuster.directive.html

@@ -23,7 +23,7 @@
       <div class="text-warning pt-2" [hidden]="!noDataSelected() || errorMsg">{{'ADJUSTER.noDataSelectedMsg' | translate}}</div>
       <div class="text-danger pt-2" [hidden]="!errorMsg">{{'ADJUSTER.serverError' | translate}}: {{errorMsg}}</div>
     </div>
-    <div class="p-2 center-block" [hidden]="!allowClusters">
+    <div class="p-2 center-block" [hidden]="!adjusterService.allowClusters">
       <div class="pt-2 text-secondary">{{'ADJUSTER.numberOfClusters' | translate}}: {{adjusterService.numberOfClusters}}</div>
       <input type="range" class="custom-range" [(ngModel)]="adjusterService.numberOfClusters" min="5" max="15" step="1">
     </div>