Ensure we're using the same country_code

This was the result of a merge conflict, the original behaviour needs to be preserved

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: danhalson

lib/tasks/seeds_helper.rb

@@ -23,7 +23,7 @@ def create_school(creator_id, school_id = nil)
       school.administrative_area = "#{Faker::Address.city}shire"
       school.municipality = Faker::Address.city
       school.postal_code = Faker::Address.postcode
-      school.country_code = Faker::Address.country_code
+      school.country_code = country_code
       school.creator_id = creator_id
       school.creator_agree_authority = true
       school.creator_agree_terms_and_conditions = true