修改图像侧比同时保留所有重要内容并避免异常扭曲
液化缩放只支持Scel模式
返回元元
@see \Cloudinary\Transformation\LiquidRescaling
缩放液化缩放([bool+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++交还这个}