Changes to List team members profiles

the response property items/items/display_name became nullable for the status 200

the response property items/items/profile_image_url became nullable for the status 200

the response property pagination/next_cursor became nullable for the status 200

added the new undefined enum value to the items/items/display_name response property for the response status 200

added the new undefined enum value to the items/items/profile_image_url response property for the response status 200

added the new undefined enum value to the pagination/next_cursor response property for the response status 200