better child lock icons

custom_components/tuya_local/devices/solaire_vitra_wifi_electric_panel_heater.yaml

@@ -63,3 +63,11 @@ secondary_entities:
       - id: 9
         type: boolean
         name: switch
+    mapping:
+      - dps_val: true
+        value: true
+        icon: "mdi:account-loca-openk"
+      - dps_val: false
+        value: false
+        icon: "mdi:account-lock"
+