[feat] add Windows privacy screen and prefer DXGI capture

apps/desktop/src/gui/features/devices/session_device_manager.h

@@ -46,6 +46,9 @@ public:
   int InitializeScreenCapturer();
   int StartScreenCapturer();
   int StopScreenCapturer();
+#ifdef _WIN32
+  void ReleaseRemoteMouseButtons();
+#endif
   // Requests are asynchronous; Stop drains/revokes audio delivery before
   // returning so the connection peer can be destroyed safely.
   void StartSpeakerCapturer();
@@ -102,4 +105,4 @@ private:
 
 } // namespace crossdesk
 
-#endif
+#endif