Application's admin controllers are not exposed by admin server

[rlemaitre]

Is there an existing issue for this?

• [X] I have searched the existing issues

Is this a security issue?

• [X] This is not a security issue

Which module is affected?

• [X] core
• [ ] db-doobie
• [ ] db-skunk
• [ ] db-migration
• [ ] docs
• [ ] flags
• [ ] http-client
• [ ] rabbitmq-fs2
• [ ] redis-rediculous

Current Behavior

When some controllers are defined in App.adminController, these controllers are not taken into account by admin server

Expected Behavior

They should be taken into account

Steps To Reproduce

1. Add controllers in App.adminControllers
2. Start the application
3. Access the defined controller on admin server

Environment

- **JVM**: All
- **Scala**: 3+
- **Pillars**: v0.2+

Anything else?

No response