AlecoAir D25: fix speed setting of fan

- rename dp from option to speed, map values to percentage for HA  API

custom_components/tuya_local/devices/AlecoAir_D25_Traditio.yaml

@@ -54,13 +54,13 @@ secondary_entities:
         name: switch
       - id: 4
         type: string
-        name: option
+        name: speed
         icon: "mdi:fan"
         mapping:
           - dps_val: low
-            value: low
+            value: 50
           - dps_val: high
-            value: high
+            value: 100
       - id: 8
         type: boolean
         name: oscillate