fix (arcelik_ahphmm_comboheatpump): use valid conditions

When working around the need to let HA know the valid modes, use valid
condition syntax to avoid needing to change the validation rules in ways
that will let errors slip through.

custom_components/tuya_local/devices/arcelik_ahphmm_comboheatpump.yaml

@@ -153,12 +153,15 @@ entities:
         name: operation_mode
         mapping:
           - dps_val: hot_water
-            value_redirect: power
             available: air_off
             # dummy conditions to make the values known to HA
             conditions:
-              - value: "off"
-              - value: heat_pump
+              - dps_val: hot_water
+                value_redirect: power
+                value: "off"
+              - dps_val: hot_water
+                value_redirect: power
+                value: heat_pump
           - dps_val: cool
             value: "off"
             available: air_cool