Smoke detector: Use correct dp for battery level

Battery level (string) was the dp before the numeric level.

Issue #2520

custom_components/tuya_local/devices/smoke_detector.yaml

@@ -45,7 +45,7 @@ secondary_entities:
         name: sensor
         unit: "%"
         class: measurement
-      - id: 16
+      - id: 14
         type: string
         name: level
   - entity: switch