[fix] recover Windows capture backends after secure desktop exit

src/screen_capturer/windows/screen_capturer_dxgi.h

@@ -50,6 +50,7 @@ class ScreenCapturerDxgi : public ScreenCapturer {
   bool InitializeDxgi();
   void EnumerateDisplays();
   bool CreateDuplicationForMonitor(int monitor_index);
+  bool RecreateDuplicationForCurrentMonitor();
   void CaptureLoop();
   void ReleaseDuplication();
 
@@ -78,4 +79,4 @@ class ScreenCapturerDxgi : public ScreenCapturer {
 };
 }  // namespace crossdesk
 
-#endif
+#endif