fix: fix icon error

custom_components/tuya_local/devices/airx_h8_humidifier.yaml

@@ -105,7 +105,7 @@ secondary_entities:
             icon: "mdi:water-opacity"
           - dps_val: High_water
             value: "高水位"
-            icon: "water-plus"
+            icon: "mdi:water-plus"
           - dps_val: Full_water
             value: "满水"
             icon: "mdi:water"