Update app/helpers/locations_helper.rb

Co-authored-by: James Rose <james@jbpr.net>

app/helpers/locations_helper.rb

@@ -114,8 +114,8 @@ private
 
     sorted_linked_authorities.map { |linked_local_authority|
       formatted_start_date = linked_local_authority.start_date&.to_formatted_s(:govuk_date)
-      formatted_end_date = linked_local_authority.end_date&.to_formatted_s(:govuk_date)
+      formatted_end_date = linked_local_authority.end_date&.to_formatted_s(:govuk_date) || "present"
-      "#{linked_local_authority[field]} (#{formatted_start_date} - #{formatted_end_date || 'present'})"
+      "#{linked_local_authority[field]} (#{formatted_start_date} - #{formatted_end_date})"
     }.join("\n")
   end
 end