Do not create statistics case in constructor

p4#: 21237

ApplicationCode/ProjectDataModel/RimIdenticalGridCaseGroup.cpp

@@ -54,8 +54,6 @@ RimIdenticalGridCaseGroup::RimIdenticalGridCaseGroup()
 
     m_unionOfMatrixActiveCells = new RigActiveCellInfo;
     m_unionOfFractureActiveCells = new RigActiveCellInfo;
-
-    createAndAppendStatisticsCase();
 }
 
 //--------------------------------------------------------------------------------------------------

ApplicationCode/ProjectDataModel/RimUiTreeModelPdm.cpp

@@ -592,6 +592,7 @@ RimIdenticalGridCaseGroup* RimUiTreeModelPdm::addCaseGroup(QModelIndex& inserted
     beginInsertRows(rootIndex, position, position);
 
     RimIdenticalGridCaseGroup* createdObject = new RimIdenticalGridCaseGroup;
+    createdObject->createAndAppendStatisticsCase();
     proj->caseGroups().push_back(createdObject);
 
     caf::PdmUiTreeItem* childItem = caf::UiTreeItemBuilderPdm::buildViewItems(rootTreeItem, position, createdObject);