Changes to List fills for a duel

the response property fills/items/builder_address became nullable for the status 200

the response property fills/items/builder_fee became nullable for the status 200

the response property fills/items/client_order_id became nullable for the status 200

the response property fills/items/direction became nullable for the status 200

the response property fills/items/liquidation_mark_px became nullable for the status 200

the response property fills/items/start_position became nullable for the status 200

response property fills/items/builder_address list-of-types was narrowed by removing types null from media type application/json of response 200

response property fills/items/builder_fee list-of-types was narrowed by removing types null from media type application/json of response 200

response property fills/items/client_order_id list-of-types was narrowed by removing types null from media type application/json of response 200

response property fills/items/direction list-of-types was narrowed by removing types null from media type application/json of response 200

response property fills/items/liquidation_mark_px list-of-types was narrowed by removing types null from media type application/json of response 200

response property fills/items/start_position list-of-types was narrowed by removing types null from media type application/json of response 200