* New overlay system that reimplements how overlays are drawn
* Fix overlay message declaration
* Fix small mistake
* WIP (broken) changes to plumb the overlay document
* Fix confusion over messaging system architecture
* Removed log
* Overlay system working
* (broken) WIP overlay association
* Finish the overlay system (except test failure)
* Change back IDs in test
* Fixed test, but stilled fails due to revealed real problem with layer reordering selection
* Disable broken test that has a bug in issue #444
Co-authored-by: Dennis <dennis@kobert.dev>
Co-authored-by: otdavies <oliver@psyfer.io>