fix target of pointerDownEvent

Author: Rn86222

src/pages/edit/Editor/renderer/Background.tsx

@@ -16,9 +16,7 @@ export default function CCComponentEditorRendererBackground() {
 				const startPerspective = componentEditorState.perspective;
 				const startPoint = vector2.fromDomEvent(pointerDownEvent.nativeEvent);
 
-				pointerDownEvent.currentTarget.setPointerCapture(
-					pointerDownEvent.pointerId,
-				);
+				currentTarget.setPointerCapture(pointerDownEvent.pointerId);
 				const onPointerMove = (pointerMoveEvent: PointerEvent) => {
 					const endPoint = vector2.fromDomEvent(pointerMoveEvent);
 					componentEditorState.setPerspective({
@@ -35,9 +33,7 @@ export default function CCComponentEditorRendererBackground() {
 				const onPointerUp = () => {
 					currentTarget.removeEventListener("pointermove", onPointerMove);
 					currentTarget.removeEventListener("pointerup", onPointerUp);
-					pointerDownEvent.currentTarget.releasePointerCapture(
-						pointerDownEvent.pointerId,
-					);
+					currentTarget.releasePointerCapture(pointerDownEvent.pointerId);
 				};
 				currentTarget.addEventListener("pointermove", onPointerMove);
 				currentTarget.addEventListener("pointerup", onPointerUp);