WM_QT_SENDPOSTEDEVENTS suppresses MFC's idle processing

#include <afxwin.h>

#include <QMfcApp>

#include <QDebug>
#include <QScopeGuard>
#include <QWidget>

class Application : public CWinApp
{
public:
  int Run() override
  {
    QMfcApp::instance(this);
    QMfcApp::setQuitOnLastWindowClosed(true);
    auto deleter = qScopeGuard([] { delete qApp; });

    QWidget window;
    window.show();

    return QMfcApp::run(this);
  }

  BOOL OnIdle(LONG count) override
  {
    qDebug() << "idle";
    return CWinApp::OnIdle(count);
  }
};

Application application;