app/image/platform.go
func (s *platformImageService) ListImagesOrDefault(platformName string) ([]string, error) {
	imgs, err := s.ListImages(platformName)
	if err != nil && err == imageTypes.ErrPlatformImageNotFound {
		return []string{platformBasicImageName(platformName)}, nil
	}
	return imgs, err
}
func (s *platformImageService) ListImagesOrDefault(platformName string) ([]string, error) {
	imgs, err := s.ListImages(platformName)
	if err != nil && err == imageTypes.ErrPlatformImageNotFound {
		return []string{platformBasicImageName(platformName)}, nil
	}
	return imgs, err
}
// PlatformListImagesOrDefault returns basicImageName when platform is empty
// for backwards compatibility