Essentials Purifier: correct child lock icon

custom_components/tuya_local/devices/essentials_purifier.yaml

@@ -28,7 +28,7 @@ secondary_entities:
           - dps_val: true
             icon: "mdi:hand-back-right-off"
           - dps_val: false
-            icon: "mdi-hand-back-right"
+            icon: "mdi:hand-back-right"
   - entity: select
     name: Light
     category: config