Do you really need the Country selector? As it's not that flexible. You could for instance use a Drop-down list and use the 'two letter country code':
![setting](https://content.screencast.com/users/DavidTK/folders/Jing/media/3d9908be-d493-4f15-9314-27c6a82b1150/2019-10-15_1152.png)
script:
SELECT NULL AS CountryTwoLetterCode, '(please select)' AS CountryDisplayName
FROM CMS_Country
UNION
SELECT [CountryTwoLetterCode], [CountryDisplayName]
FROM [CMS_Country]
ORDER BY CountryDisplayName
Which will have the following HTML output:
![output](https://content.screencast.com/users/DavidTK/folders/Jing/media/cc294a08-3b12-4655-aa5e-c1ff1bbf99b2/2019-10-15_1150.png)