Changes to List Computation Nodes

added the required property computation_nodes/items/key to the response with the 200 status

deleted the query request parameter limit

deleted the query request parameter offset

removed the optional property computation_nodes/items/modal_call_id from the response with the 200 status

removed the optional property next_offset from the response with the 200 status

added the new cancelled enum value to the computation_nodes/items/status response property for the response status 200

added the new optional query request parameter cursor

added the new optional query request parameter size

added the optional property next_cursor to the response with the 200 status