bug #3854 Fixed CountryConfigurator edge-case when the flag code is empty (javiereguiluz)
bug #3854 Fixed CountryConfigurator edge-case when the flag code is empty (javiereguiluz)

This PR was merged into the 3.0.x-dev branch.

Discussion
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Fixed CountryConfigurator edge-case when the flag code is empty

This fixes the following issue:

![image](https://user-images.githubusercontent.com/73419/95014104-f0a7be80-0644-11eb-9f8b-dabb26b8c10d.png)

Commits
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9894e90f Fixed CountryConfigurator edge-case when the flag code is empty

javiereguiluz/EasyAdminBundle,javiereguiluz/EasyAdminBundle