Fix BasicAuth header not getting sent when SG GUEST is enabled
Fix BasicAuth header not getting sent when SG GUEST is enabled

Sent the Basic Auth header without wating for challenge.

#2216

couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios,couchbase/couchbase-lite-ios