fix (axen_ks100w_heatpump): use correct values in hvac_action

hvac_action needs to use mode values to match elsewhere

Issue #3810

custom_components/tuya_local/devices/axen_ks100w_heatpump.yaml

@@ -147,9 +147,9 @@ entities:
           - dps_val: true
             constraint: hvac_mode
             conditions:
-              - dps_val: ["cool", "cool_hotwater"]
+              - dps_val: ["cool", "cool_hot_water"]
                 value: cooling
-              - dps_val: ["heat", "heat_hotwater"]
+              - dps_val: ["heat", "heat_hot_water"]
                 value: heating
               - dps_val: "hot_water"
                 value: idle