feat(client): make onChangeBenchmark protected

apps/client/src/app/components/benchmark-comparator/benchmark-comparator.component.ts

@@ -113,14 +113,14 @@ export class GfBenchmarkComparatorComponent implements OnChanges, OnDestroy {
     }
   }
 
-  public onChangeBenchmark(symbolProfileId: string) {
-    this.benchmarkChanged.emit(symbolProfileId);
-  }
-
   public ngOnDestroy() {
     this.chart?.destroy();
   }
 
+  protected onChangeBenchmark(symbolProfileId: string) {
+    this.benchmarkChanged.emit(symbolProfileId);
+  }
+
   private initialize() {
     const benchmarkDataValues: Record<string, number> = {};