Able to push select button when dragging

[sugitatestblue]

While dragging image, it can push push select button.
So, it can select empty area.

[sugitatestblue]

pis aller

    func imageCropViewController(_ controller: RSKImageCropViewController, didCropImage croppedImage: UIImage, usingCropRect cropRect: CGRect, rotationAngle: CGFloat) {
        let imageSize = croppedImage.size
        if imageSize.width != imageSize.height {
            debugPrint("imageSize.width:\(imageSize.width), imageSize.height:\(imageSize.height)")
            return
        }

        // bla bla.
    }