style(esl-event-listener): simplify wheel.target.ts implementation

Co-authored-by: Dmytro Shovchko <[email protected]>

src/modules/esl-event-listener/core/targets/wheel.target.ts

@@ -70,7 +70,10 @@ export class ESLWheelTarget extends SyntheticEventTarget {
   /** Handles wheel events */
   @bind
   protected _onWheel(event: WheelEvent): void {
-    if (this.config.skipOnScroll) this.scrollData = this.scrollData.concat(getParentScrollOffsets(event.target as Element, this.target));
+    if (this.config.skipOnScroll) {
+      const offsets = getParentScrollOffsets(event.target as Element, this.target);
+      this.scrollData = this.scrollData.concat(offsets);
+    }
     this.aggregateWheel(event);
   }