message: [decrypt] fix clippy check
diff: @@ -99,10 +99,9 @@ fn aes_encrypt(encryption_param: &EncryptionParams, key: [u8; 32], plain: &[u8])
  let key = GenericArray::from(key);
  let nonce = GenericArray::clone_from_slice(&encryption_param.nonce);
  let cipher = aes_gcm::Aes256Gcm::new(key);
  - let ciphertext = cipher
  + cipher
  .encrypt(&nonce, plain)
  - .expect("encryption should never failure!");
  - ciphertext
  + .expect("encryption should never failure!")
  }
  fn aes_decrypt(
  encryption_param: &EncryptionParams,
  