FloatingWindow: This setup code is windows only

src/private/FloatingWindow.cpp

@@ -103,11 +103,11 @@ FloatingWindow::FloatingWindow(MainWindowBase *parent)
     if (kddwUsesQtWidgets()) {
         // For QtQuick we do it a bit later, once we have the QQuickWindow
 #ifdef Q_OS_WIN
+        create();
         m_nchittestFilter = new NCHITTESTEventFilter(this);
         qApp->installNativeEventFilter(m_nchittestFilter);
-#endif
-        create();
         WidgetResizeHandler::setupWindow(windowHandle());
+#endif
     }
 
     DockRegistry::self()->registerFloatingWindow(this);