Type field for folder placeholders was empty.

ccm-cms/src/main/java/org/librecms/contentsection/FolderIdResolver.java

@@ -61,6 +61,7 @@ public class FolderIdResolver implements Serializable, ObjectIdResolver {
                     id.key.toString()
                 )
             );
+            folder.setType(FolderType.DOCUMENTS_FOLDER);
             CdiUtil
                 .createCdiUtil()
                 .findBean(FolderRepository.class)