Enable ESIM carrier apps to work with OpenEUICC

The app in question in this post is Simyo, but in general the app waits for a confirmation popup from OpenEUICC, which is not allowed to be triggered by the esim-carrier app, and thus never appears on screen.

https://community.iode.tech/t/help-i-cant-get-the-esim-to-work-using-the-providers-app/7877/2?u=rik

Graphene addressed this with this issue: https://github.com/GrapheneOS/os-issue-tracker/issues/3794