OO-2062: add paging to the correction tab of group task course element

src/main/java/org/olat/course/nodes/gta/ui/GTACoachedGroupListController.java

@@ -88,7 +88,9 @@ public class GTACoachedGroupListController extends GTACoachedListController {
 		columnsModel.addFlexiColumnModel(new StaticFlexiColumnModel("select", translate("select"), "select"));
 		tableModel = new CoachGroupsTableModel(columnsModel);
 
-		tableEl = uifactory.addTableElement(getWindowControl(), "entries", tableModel, getTranslator(), formLayout);
+		tableEl = uifactory.addTableElement(getWindowControl(), "entries", tableModel, 10, false, getTranslator(), formLayout);
+		tableEl.setShowAllRowsEnabled(true);
+		tableEl.setAndLoadPersistedPreferences(ureq, "gta-coached-groups");
 	}
 	
 	protected void updateModel() {

src/main/java/org/olat/course/nodes/gta/ui/GTACoachedParticipantListController.java

@@ -173,7 +173,9 @@ public class GTACoachedParticipantListController extends GTACoachedListControlle
 		columnsModel.addFlexiColumnModel(new StaticFlexiColumnModel("select", translate("select"), "select"));
 		tableModel = new CoachParticipantsTableModel(userPropertyHandlers, getLocale(), columnsModel);
 
-		tableEl = uifactory.addTableElement(getWindowControl(), "entries", tableModel, getTranslator(), formLayout);
+		tableEl = uifactory.addTableElement(getWindowControl(), "entries", tableModel, 10, false, getTranslator(), formLayout);
+		tableEl.setShowAllRowsEnabled(true);
+		tableEl.setAndLoadPersistedPreferences(ureq, "gta-coached-participants");
 	}
 	
 	protected void updateModel() {