message: fix: txn arg parsing
diff: @@ -63,7 +63,7 @@ pub struct GenerateMultisigTxnOpt {
  )]
  type_tags: Vec<TypeTag>,
  - #[structopt(name = "transaction-arg", parse(try_from_str = parse_transaction_argument))]
  + #[structopt(long = "arg", name = "transaction-arg", parse(try_from_str = parse_transaction_argument))]
  /// transaction arguments
  args: Vec<TransactionArgument>,
  