Advanced fires: make model a string

custom_components/tuya_local/devices/advancedfires_1500_fireplace.yaml

@@ -2,7 +2,7 @@ name: Electric fireplace
 products:
   - id: bf773f569661709b88gzbb
     manufacturer: Advanced Fires
-    model: 1500
+    model: "1500"
 entities:
   - entity: climate
     dps: