dpp_connector was emitted unquoted, but wpa_supplicant parses it as a
string and hex-decodes an unquoted value; a base64url connector then failed
to parse and the network block was rejected. Emit it via the quoted-string
list. dpp_csign/dpp_netaccesskey stay raw, as they are hex.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
73c35f97f3