Remove duplicated logic from PointerInteraction

src/ol/MapBrowserEvent.js

@@ -15,9 +15,17 @@ class MapBrowserEvent extends MapEvent {
    * @param {import("./PluggableMap.js").default} map Map.
    * @param {EVENT} originalEvent Original event.
    * @param {boolean} [opt_dragging] Is the map currently being dragged?
-   * @param {?import("./PluggableMap.js").FrameState} [opt_frameState] Frame state.
+   * @param {import("./PluggableMap.js").FrameState} [opt_frameState] Frame state.
+   * @param {Array<PointerEvent>} [opt_activePointers] Active pointers.
    */
-  constructor(type, map, originalEvent, opt_dragging, opt_frameState) {
+  constructor(
+    type,
+    map,
+    originalEvent,
+    opt_dragging,
+    opt_frameState,
+    opt_activePointers
+  ) {
     super(type, map, opt_frameState);
 
     /**
@@ -48,6 +56,11 @@ class MapBrowserEvent extends MapEvent {
      * @api
      */
     this.dragging = opt_dragging !== undefined ? opt_dragging : false;
+
+    /**
+     * @type {Array<PointerEvent>|undefined}
+     */
+    this.activePointers = opt_activePointers;
   }
 
   /**