* Use distance device class for sensors
* Change sensor name casing and unique_id
* Migrate sensor entity unique_id
* Match title-cased unique_id when migrating
* Remove unneeded regex to find '_' delimited id suffix
* Incorporate PR review comments
* Add check to prevent extra odometer entity migration
* Change config entry state to an enum
* Allow but deprecate EntryState str equality comparison
* Test fixes
* Rename to ConfigEntryState
* Remove str comparability backcompat
* Update new occurrences of strs cropped up during review