Changes to Get outstanding token airdrops sent by an account

the response property _status/messages/items/data became nullable for the status 400

the response property _status/messages/items/data became nullable for the status 404

the response property _status/messages/items/detail became nullable for the status 400

the response property _status/messages/items/detail became nullable for the status 404

the response property airdrops/items/receiver_id became nullable for the status 200

the response property airdrops/items/sender_id became nullable for the status 200

the response property airdrops/items/serial_number became nullable for the status 200

the response property airdrops/items/timestamp/to/allOf[#/components/schemas/TimestampNullable] became nullable for the status 200

the response property airdrops/items/token_id became nullable for the status 200

the response property links/next became nullable for the status 200