Gnome41 (#2035)

* testing new portal on gnome41

* applied clang format

* macro out portal API on windows

src/utils/screengrabber.h

@@ -14,6 +14,7 @@ public:
     QPixmap grabEntireDesktop(bool& ok);
     QRect screenGeometry(int screenNumber);
     QPixmap grabScreen(int screenNumber, bool& ok);
+    void freeDesktopPortal(bool& ok, QPixmap& res);
 
 private:
     DesktopInfo m_info;