Newtype pattern over serde_bytes results in deserialization error

[wellcaffeinated]

Hey there!
Here's a little edge case that isn't working:

#[test]
fn test_newtype_bytes(){
  #[derive(Debug, serde::Deserialize, serde::Serialize)]
  struct Test(serde_bytes::ByteBuf);
  
  let data = br#"{"/": {"bytes": "dm14"}}"#;
  let bytes: Test = serde_ipld_dagjson::de::from_slice(data).unwrap();
  let expected = serde_bytes::ByteBuf::from([118, 109, 120]);
  assert_eq!(bytes.0, expected);
}

called Result::unwrap() on an Err value: Message("invalid type: map, expected byte array at line 1 column 0")

Same problem with using the #[serde(with = "serde_bytes")].

However if I add #[serde(transparent)], then it works.