Make sure toolbar is refreshed when a new plot is added (#9199)

ApplicationLibCode/Commands/RicCreateGridStatisticsPlotFeature.cpp

@@ -65,6 +65,7 @@ void RicCreateGridStatisticsPlotFeature::onActionTriggered( bool isChecked )
     collection->updateAllRequiredEditors();
     RiaGuiApplication::instance()->getOrCreateAndShowMainPlotWindow();
     RiuPlotMainWindowTools::selectAsCurrentItem( plot );
+    RiuPlotMainWindowTools::refreshToolbars();
 }
 
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