When you open wallets with exotic names, i.e `🦹🏿‍♂️` (Emoji Version 11), via the "Open Wallet" menu, the opening wallet dialog never closes, even after the wallet has finished loading.

![screen shot 2019-02-21 at 2 34 06 pm](https://user-images.githubusercontent.com/863730/53148554-012d3180-35e6-11e9-8a94-62c5fb023d40.png)

{
    QMutexLocker locker(&m_mutex);
    
    if (!m_wallets.empty()) {
        std::string name = wallet->getWalletName();
        for (WalletModel* wallet_model : m_wallets) {
            if (wallet_model->wallet().getWalletName() == name) {
                return wallet_model;
            }
        }
    }
    
    WalletModel* wallet_model = new WalletModel(std::move(wallet), m_node, m_platform_style, m_options_model, nullptr);
    m_wallets.push_back(wallet_model);
    connect(wallet_model, &WalletModel::unload, [this, wallet_model] {
        removeAndDeleteWallet(wallet_model);
    });
    
    connect(wallet_model, &WalletModel::coinsSent, this, &WalletController::coinsSent);
    
    if (QThread::currentThread() == thread()) {
        addWallet(wallet_model);
    } else {
        
        wallet_model->moveToThread(thread());
        QMetaObject::invokeMethod(this, "addWallet", Qt::QueuedConnection, Q_ARG(WalletModel*, wallet_model));
    }
    return wallet_model;
}
void WalletController::addWallet(WalletModel* wallet_model)