Homekit controller BLE groundwork (#20538)

* Define the characteristics to poll (or subscribe to) up front

* Configure characteristics immediately instead of during first poll

* Do as much cover configuration upfront as possible

* Remove test workaround as no longer needed

* Remove switch code that is already handled by HomeKitEntity

* Remove lock code already handled by HomeKitEntity

* Remove light code already handled by HomeKitEntity

* Remove alarm code already handled by HomeKitEntity

* Remove climate code already handled by HomeKitEntity