fix(webber_ap9750_airpurifier): use correct dp name

Last minute change from switch to binary_sensor for uncertain
functionality dp.

custom_components/tuya_local/devices/webber_ap9750_airpurifier.yaml

@@ -129,4 +129,4 @@ entities:
     dps:
       - id: 105
         type: boolean
-        name: switch
+        name: sensor