logic: Fixed automatic update check only works on Qt thread

src/lib_gui/qt/network/QtUpdateChecker.h

@@ -1,6 +1,7 @@
 #ifndef QT_UPDATE_CHECKER_H
 #define QT_UPDATE_CHECKER_H
 
+#include "qt/utility/QtThreadedFunctor.h"
 #include "UpdateChecker.h"
 
 class QtUpdateChecker
@@ -10,6 +11,9 @@ public:
 	static void check(bool force = false);
 
 	virtual void checkUpdate() override;
+
+private:
+	QtThreadedLambdaFunctor m_onQtThread;
 };
 
 #endif // QT_UPDATE_CHECKER_H