Balance: don't use scientific notation

src/appcontext.cpp

@@ -740,10 +740,10 @@ void AppContext::updateBalance() {
         throw std::runtime_error("this should not happen, ever");
 
     AppContext::balance = this->currentWallet->balance() / AppContext::cdiv;
-    auto balance_str = QString::number(balance);
+    auto balance_str = QString::number(balance, 'f');
 
     double unlocked = this->currentWallet->unlockedBalance() / AppContext::cdiv;
-    auto unlocked_str = QString::number(unlocked);
+    auto unlocked_str = QString::number(unlocked, 'f');
 
     emit balanceUpdated(balance, unlocked, balance_str, unlocked_str);
 }

src/mainwindow.cpp

@@ -589,7 +589,7 @@ void MainWindow::onBalanceUpdated(double balance, double unlocked, const QString
     qDebug() << Q_FUNC_INFO;
     auto label_str = QString("Balance: %1 XMR").arg(unlocked_str);
     if(balance > unlocked)
-        label_str += QString(" (+%1 XMR unconfirmed)").arg(balance - unlocked);
+        label_str += QString(" (+%1 XMR unconfirmed)").arg(QString::number(balance - unlocked, 'f'));
     m_statusLabelBalance->setText(label_str);
 }