Kogan bladeless fan: use fresh for fresh preset

Not sure why this got mapped to nature, as fresh is available in the translations

custom_components/tuya_local/devices/kogan_bladeless_fan.yaml

@@ -51,7 +51,7 @@ primary_entity:
         - dps_val: sleep
           value: sleep
         - dps_val: fresh
-          value: nature
+          value: fresh
         - dps_val: heavy
           value: strong
     - id: 8