WHM04 doorbell: fix button sensor

PR #625

custom_components/tuya_local/devices/whm04_doorbell.yaml

@@ -125,7 +125,7 @@ secondary_entities:
     dps:
       - id: 5
         type: base64
-        name: name
+        name: sensor
         optional: true
         persist: false
   - entity: binary_sensor