Long overdue PR: replacing deprecated country code in workflows. Will allow to use variables. We keep storing the country code since it allows to display the right flag in picker when there are multiple countries for one calling code. But we do not store country for variables. <img width="477" height="254" alt="Capture d’écran 2026-02-17 à 17 25 23" src="https://github.com/user-attachments/assets/dc67c41c-33cf-4021-b7bb-490827b2aa3c" />