fix (zephir_zmw4000vsmart_heater): use auto for default heat setting

Auto should be better than level 1

Issue #4063

custom_components/tuya_local/devices/zephir_zmw4000vsmart_heater.yaml

@@ -20,7 +20,7 @@ entities:
             conditions:
               - dps_val: "off"
                 value: fan_only
-              - dps_val: "1"
+              - dps_val: "auto"
                 value: heat
       - id: 2
         name: temperature