Does it make sense to decode the raw transaction in the wallet-rpc `gettransaction` call (or add an optional parameter to do so)?

See discussion in https://github.com/bitcoin/bitcoin/pull/15159#issuecomment-499051813
"\nLock the wallet again (before 60 seconds)\n"
            + HelpExampleCli("walletlock", "") +
            "\nAs a JSON-RPC call\n"
            + HelpExampleRpc("walletpassphrase", "\"my pass phrase\", 60")
                },
            }.Check(request);
    auto locked_chain = pwallet->chain().lock();
    LOCK(pwallet->cs_wallet);
    if (!pwallet->IsCrypted()) {
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletpassphrase was called.");
    }
    
    SecureString strWalletPass;
    strWalletPass.reserve(100);
    
    
    strWalletPass = request.params[0].get_str().c_str();
    
    int64_t nSleepTime = request.params[1].get_int64();
    
    if (nSleepTime < 0) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Timeout cannot be negative.");
    }
    
    constexpr int64_t MAX_SLEEP_TIME = 100000000; 
    if (nSleepTime > MAX_SLEEP_TIME) {
        nSleepTime = MAX_SLEEP_TIME;
    }
    if (strWalletPass.empty()) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "passphrase can not be empty");