WDYK 3phase: scale energy by 100 instead of 1000.

Issue #2214

Although the model quoted is not identical, there was a lack
of info on the original report #550, so this is likely to be
correct for the original device also.

custom_components/tuya_local/devices/wdyk_3phase_energymonitor.yaml

@@ -259,7 +259,7 @@ secondary_entities:
         unit: kWh
         class: total_increasing
         mapping:
-          - scale: 1000
+          - scale: 100
   - entity: binary_sensor
     name: Locking
     class: lock