@brief Send a ChangeProperty request for _NET_SUPPORTED
_NET_SUPPORTED, ATOM[]/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_SUPPORTED request
@brief Send a ChangeProperty request for _NET_SUPPORTED
_NET_SUPPORTED, ATOM[]/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_SUPPORTED request