OO-4717: The "Evidence of achievement" link has to open "Evidence of achievement"

src/main/java/org/olat/course/run/CourseRuntimeController.java

@@ -1424,7 +1424,7 @@ public class CourseRuntimeController extends RepositoryEntryRuntimeController im
 		break;
 		case efficiencystatement: {
 			if (efficiencyStatementsLink != null && efficiencyStatementsLink.isVisible()) {
-				doEmail(ureq);
+				doEfficiencyStatements(ureq);
 			} else {
 				doShowToolNotAvailable(CourseTool.efficiencystatement);
 			}