MPPT 4048 solar charger: correct scale for load power sensor

Issue #3251

custom_components/tuya_local/devices/mppt_4048_solarcharger.yaml

@@ -512,4 +512,4 @@ entities:
         class: measurement
         mask: "00000000FFFF"
         mapping:
-          - scale: 0.1
+          - scale: 10