Korex AXWF306N: fix temperature unit selector

custom_components/tuya_local/devices/korex_axwf306n_smart_kettle.yaml

@@ -101,7 +101,7 @@ entities:
     dps:
       - id: 105
         type: string
-        name: sensor
+        name: option
         mapping:
           - dps_val: c
             value: celcius