Check for minimum mapping version

* check functions in gui application/application
* check for instance mapping wizard
* check on mapping tool's stashing component

src/blackgui/guiapplication.h

@@ -229,6 +229,9 @@ namespace BlackGui
         //! \copydoc BlackGui::CGuiUtility::registerMainApplicationWidget
         void registerMainApplicationWidget(QWidget *mainWidget);
 
+        //! \copydoc BlackCore::CApplication::hasMinimumMappingVersion
+        virtual bool hasMinimumMappingVersion() const override;
+
         //! Main application window
         static QMainWindow *mainApplicationWindow();