Because Luftdaten assigns separate ids for particle and weather
measurements, most if not all stations added with config flow will
have non-functional sensors, as mentioned in #19591. This change
prevents the creation of sensors without data.
* Use same data schema for configflow, make sensor_id a positive integer.
* Change sensor_id to int and remove duplicate Luftdaten config entries.
This fixes#18838, and also fixes the root cause
of #19981 and #19622.
* Use pure type for boolean.
Paulus Schoutsen
Jasper van der Neut - Stulen
Fabian Affolter