convert age ratings to lowercase before comparison

    private fun isValidAppAgeRating(

        app: AppInstall,

        allowedContentRating: ContentRatingGroup?

    ) = (app.contentRating.id.isNotEmpty()

            && allowedContentRating?.ratings?.contains(app.contentRating.id) == true)

    ): Boolean {

        val allowedAgeRatings = allowedContentRating?.ratings?.map { it.lowercase() } ?: emptyList()

        return app.contentRating.id.isNotEmpty() && allowedAgeRatings.contains(app.contentRating.id)

    }

    private fun isParentalControlDisabled(ageGroup: Age) = ageGroup == Age.PARENTAL_CONTROL_DISABLED