Yellow firmware selection options flow (#122868)

* Implement Yellow config flow for firmware selection

* Use the probed firmware type when setting up Yellow

* Add translation strings

* Ensure (most) existing `init` tests pass

* Remove multi-PAN setup config flow unit tests

* Get existing config flow unit tests passing

* Add unit tests for uninstalling multi-PAN and such

* Consolidate entity creation for Yellow and clean up steps

* Be explicit with multiple inheritance overrides

* Address review comments