also use scale for histogram

projects/common-map/src/fm-map/components/legend/histogram-details/histogram-details.component.ts

@@ -14,6 +14,17 @@ export class HistogramDetailsComponent {
   @Input()
   histogram: IHistogram;
 
+  @Input()
+  scale: number | null;
+
+  public getScaledValue(value: number): number {
+    let v = value;
+    if (this.scale && this.scale != 0) {
+      v = this.scale * value;
+    }
+    return v;
+  }
+
   showConfidenceInterval(): boolean {
     return this.histogram.confidence != null && this.histogram.confidence !== 1;
   }