remotearbiter_controller is huge

[SchwarzM]

The current implementation of the remote arbiter controller has about 1700 lines which is a lot.
I can see a lot of them are due to status updates and some create / update functions which could be refactored or split into different files to be more manageable.

[github-actions]

This issue is stale because it has been open for 90 days with no activity.