If the main window has been minimized to the taskbar (iconified) calling "Show/Hide", "Send" or "Receive" actions from the tray icon menu has no effect: the main window still minimized.

It seems like a Qt bug similar to that old [one](https://bugreports.qt.io/browse/QTBUG-31117).

Tested platform: Linux Mint 19, Qt 5.9.5 / 5.9.6
createTrayIcon(networkStyle);
    }
    
    statusBar();
    
    statusBar()->setSizeGripEnabled(false);
    
    QFrame *frameBlocks = new QFrame();
    frameBlocks->setContentsMargins(0,0,0,0);
    frameBlocks->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
    QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
    frameBlocksLayout->setContentsMargins(3,0,3,0);
    frameBlocksLayout->setSpacing(3);
    unitDisplayControl = new UnitDisplayStatusBarControl(platformStyle);
    labelWalletEncryptionIcon = new QLabel();
    labelWalletHDStatusIcon = new QLabel();
    labelProxyIcon = new GUIUtil::ClickableLabel();
    connectionsControl = new GUIUtil::ClickableLabel();
    labelBlocksIcon = new GUIUtil::ClickableLabel();
    if(enableWallet)
    {
        frameBlocksLayout->addStretch();
        frameBlocksLayout->addWidget(unitDisplayControl);
        frameBlocksLayout->addStretch();
        frameBlocksLayout->addWidget(labelWalletEncryptionIcon);
        frameBlocksLayout->addWidget(labelWalletHDStatusIcon);
    }
    frameBlocksLayout->addWidget(labelProxyIcon);
    frameBlocksLayout->addStretch();
    frameBlocksLayout->addWidget(connectionsControl);