Add copy/paste of Summary Multi Plot (#8942)

* Guard use of back() on empty vector
* Add "Show Data Sources" to ensemble realizations
* Update summary plot as summary curve collection is not visible in tree view
* Set selection manager root in RiaApplication
* Always close both main windows if present
* Add copy/paste of summary multi plot
* Add test for RiuMainWindow::instance() before use
* Remove duplicated code
* Multiple Tree Views : Use getTreeViewWithItem() to find correct tree view
* Minor UI adjustments

ApplicationLibCode/ProjectDataModel/RimEclipseResultAddress.h

@@ -43,6 +43,10 @@ public:
     void            setEclipseCase( RimEclipseCase* eclipseCase );
     RimEclipseCase* eclipseCase() const;
 
+private:
+    QList<caf::PdmOptionItemInfo> calculateValueOptions( const caf::PdmFieldHandle* fieldNeedingOptions,
+                                                         bool*                      useOptionsOnly ) override;
+
 private:
     caf::PdmField<QString>                                 m_resultName;
     caf::PdmField<caf::AppEnum<RiaDefines::ResultCatType>> m_resultType;