fix: TOC issue

Author: el-rabies

projects/pathway-browser/src/app/details/tabs/description-tab/description-tab.component.ts

@@ -481,7 +481,7 @@ export class DescriptionTabComponent implements OnDestroy {
       case 'locationsInPWB':
         return this.showLocations();
       case 'reactionDiagram':
-        return this.isReaction();
+        return this.isReaction() && this.showReactionDiagram();
       case DataKeys.PROTEIN_MARKER:
         return this.proteinMarkers().length + this.rnaMarkers().length > 0;
       case DataKeys.CATALYST_ACTIVITY: