Update reader model from COTS_DEVICE to TAP_TO_PAY_DEVICE#15961

malinajirka merged 3 commits intotrunkwoocommerce/woocommerce-ios:trunkfrom

issue/woomob-890-in-person-payments-identifying-card-reader-model-ios-partwoocommerce/woocommerce-ios:issue/woomob-890-in-person-payments-identifying-card-reader-model-ios-partCopy head branch name to clipboard