OO-380: give different root IDs to the map tree and the structure in the e-portfolio editor

src/main/java/org/olat/portfolio/ui/artefacts/collect/EPCollectStepForm04.java

@@ -60,7 +60,7 @@ import org.olat.portfolio.ui.structel.EPStructureChangeEvent;
 public class EPCollectStepForm04 extends StepFormBasicController {
 
 	private static final String NO_MAP_CHOOSEN = "noMapChoosen";
-	private static final String ROOT_NODE_IDENTIFIER = "root";
+	private static final String ROOT_NODE_IDENTIFIER = "rootMaps";
 	private TreeController mapsTreeController;
 	EPFrontendManager ePFMgr;
 	private PortfolioStructure selectedPortfolioStructure;

src/main/java/org/olat/portfolio/ui/structel/edit/EPTOCController.java

@@ -68,7 +68,7 @@ public class EPTOCController extends BasicController {
 	protected static final String ARTEFACT_NODE_CLICKED = "artefactNodeClicked";
 	private static final String DELETE_LINK_CMD = "delete";
 	private static final String ARTEFACT_NODE_IDENTIFIER = "art";
-	private static final String ROOT_NODE_IDENTIFIER = "root";
+	private static final String ROOT_NODE_IDENTIFIER = "rootStruct";
 	protected final EPFrontendManager ePFMgr;
 	protected final EPStructureManager eSTMgr;
 	protected PortfolioStructure rootNode;