Update of Settings in ObjectList from Tab::update() is suppressed, if Undo/Redo is not completed

src/slic3r/GUI/Plater.hpp

@@ -319,6 +319,8 @@ public:
 		Plater *m_plater;
 	};
 
+    bool inside_snapshot_capture();
+
 	// Wrapper around wxWindow::PopupMenu to suppress error messages popping out while tracking the popup menu.
 	bool PopupMenu(wxMenu *menu, const wxPoint& pos = wxDefaultPosition);
     bool PopupMenu(wxMenu *menu, int x, int y) { return this->PopupMenu(menu, wxPoint(x, y)); }