scroller: support editor (scroll direction in Event is reverted， very strange, just fix it by now)

Runtime/editor/editor_window.cs

                         device: evt.button,
                         physicalX: evt.mousePosition.x * this._devicePixelRatio,
                         physicalY: evt.mousePosition.y * this._devicePixelRatio,
-                        scrollX: evt.delta.x,
-                        scrollY: evt.delta.y
+                        scrollX: -evt.delta.x,
+                        scrollY: -evt.delta.y
                     );
                 }