@brief Send a ChangeProperty request for _NET_CLIENT_LIST
_NET_CLIENT_LIST, WINDOW[]/32
@param ewmh The per-screen EWMH information
@param screen_nbr The screen number
@param list_len The number of Atoms supported by the WM
@param list The Atoms supported by the WM
@return Cookie associated with the ChangeProperty _NET_CLIENT_LIST request
@brief Send a ChangeProperty request for _NET_CLIENT_LIST
_NET_CLIENT_LIST, WINDOW[]/32
@param ewmh The per-screen EWMH information @param screen_nbr The screen number @param list_len The number of Atoms supported by the WM @param list The Atoms supported by the WM @return Cookie associated with the ChangeProperty _NET_CLIENT_LIST request