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
ModalOverlay* modalOverlay = nullptr;
#ifdef Q_OS_MAC
    CAppNapInhibitor* m_app_nap_inhibitor = nullptr;
#endif
    
    int prevBlocks = 0;
    int spinnerFrame = 0;
    const PlatformStyle *platformStyle;
    
    void createActions();
    
    void createMenuBar();
    
    void createToolBars();
    
    void createTrayIcon(const NetworkStyle *networkStyle);
    
    void createTrayIconMenu();
    
    void setWalletActionsEnabled(bool enabled);
    
    void subscribeToCoreSignals();
    
    void unsubscribeFromCoreSignals();
    
    void updateNetworkState();
    void updateHeadersSyncProgressLabel();
    
    void openOptionsDialogWithTab(OptionsDialog::Tab tab);
Q_SIGNALS: