Use most used currency for purchase request
Since rev 6167d58f77d0, we use for purchase the most used currency as default value. We should do the same for purchase request.
This instance will be upgraded to Heptapod 1.5.0rc (GitLab 16.11.1) on 2024-05-02 at 15:00 UTC+2
Since rev 6167d58f77d0, we use for purchase the most used currency as default value. We should do the same for purchase request.