fix(alien-second): 修复购买列表分页逻辑错误

- 将 IPage 构造方法的第二个参数从 pageNum 修改为 pageSize，以确保正确的分页大小

alien-second/src/main/java/shop/alien/second/controller/UserGoodsController.java

@@ -146,7 +146,7 @@ public class UserGoodsController {
             @RequestParam(defaultValue = "10") Integer pageSize) {
         log.info("SecondGoodsController.getDraftList?page={},size={},", pageNum,pageSize);
         R<IPage<SecondGoodsVo>> result = new R<>();
-        IPage<SecondGoodsVo> page = new Page<>(pageNum, pageNum);
+        IPage<SecondGoodsVo> page = new Page<>(pageNum, pageSize);
         JSONObject data = JwtUtil.getCurrentUserInfo();
         if (null != data) {
             int userId = data.getInteger("userId");