Hysen thermostat: fix hvac_action logic

Copy and paste error in previous change

custom_components/tuya_local/devices/hysen_hy08we2_thermostat.yaml

@@ -62,8 +62,7 @@ primary_entity:
             - dps_val: false
               value: off
             - dps_val: true
-              value: idle
-          value: heating
+              value: heating
         - dps_val: false
           constraint: hvac_mode
           conditions: