Function refused_xrpc 

fn refused_xrpc(
    refused: &ApiError,
    client_id: Option<&str>,
    account: Option<&str>,
)

Writes an XRPC credential refusal to the journal; see crate::refusal.

UseDpopNonce is the first answer every DPoP client is given, and it retries at once, so it is not written.