Merge pull request #5 from FZJ-INM1-BDA/bug_fix_452

fixes https://github.com/HumanBrainProject/interactive-viewer/issues/452

src/ui/nehubaContainer/nehubaContainer.component.ts

@@ -639,6 +639,7 @@ export class NehubaContainer implements OnInit, OnChanges, OnDestroy {
         ),
         this.ngLayers$.pipe(
           map(state => state.forceShowSegment),
+          distinctUntilChanged(),
         ),
         this.selectedParcellation$,
       )