Non-standard behaviour on MacOS when closing the window
By default, closing a window does not terminate applications in MacOS. They still run in background. It be nice if the app behaved like that.
https://doc.qt.io/qt-5/qguiapplication.html#quitOnLastWindowClosed-prop https://github.com/HiveChat/hive-desktop/blob/907d399c3/other_files/library_test/HiveFrame3/Hive.cpp#L9