Summary multiplot improvements (#8598)

* Create multi summary plot from summary plot(s)
* Rearrange multi summary plot properties
* Enable source stepping toolbar for multi summary plot
* Automatically activate new summary plot when creating from data sources -> data vector tree
* Enable global key controls for switching data in summary and multi summary plots
* Update tooltip texts for summary plot toolbar

ApplicationLibCode/ProjectDataModel/Summary/RimSummaryPlotManager.cpp

@@ -399,9 +399,7 @@ void RimSummaryPlotManager::createNewPlot()
     {
         {
             auto summaryPlots = plotBuilder.createPlots();
-            auto plot         = RimSummaryMultiPlot::createAndAppendMultiPlot( summaryPlots );
-
-            RiuPlotMainWindowTools::selectAsCurrentItem( plot );
+            RicSummaryPlotBuilder::createAndAppendSummaryMultiPlot( summaryPlots );
         }
 
         bool createStandardMultiPlot = false;