* Adds setpoints for fans to flexit_bacnet
* Add snapshot test for flexit_bacnet number
* Add test for flexit_bacnet number implementation
* Refactor set_native_value_fn
* Refactor names of number entities
Also refactor keys, translation keys
Order alphabetically
Update test snapshot
* Add icons to flexit_bacnet number entities
* Refactor to use icon translations, add unit of measurement
* Remove redundant assert
