Property Search - added "airConditioningAvailable" response field & related search field

• on Property Search response, “airConditioningAvailable” [bool]

• on Property Search input request, “air_conditioning_available” [bool]

• on Property Detail response, “propertyInfo.airConditioningAvailable” [bool]

Will be true when the air conditioning info is not null

Will only return results that have non-null values if set to true