Changes to List campaigns

added the new optional query request parameter list_id

added the non-success response with the status 400

added the non-success response with the status 429

added the optional property data/items/lists to the response with the 200 status

added the optional property data/items/reply_to_email to the response with the 200 status

added the optional property data/items/is_web_gated to the response with the 200 status

added the optional property data/items/preview_text to the response with the 200 status