Merge pull request #12348 from IQSS/add_id_to_types

Add dataset type ID to JSON output in JsonPrinter

Author: landreev

src/main/java/edu/harvard/iq/dataverse/util/json/JsonPrinter.java

@@ -356,6 +356,7 @@ public static JsonObjectBuilder json(Dataverse dv, Boolean hideEmail, Boolean re
             JsonArrayBuilder jab = Json.createArrayBuilder();
             for (DatasetType datasetType : allowedDatasetTypes) {
                 NullSafeJsonBuilder json = NullSafeJsonBuilder.jsonObjectBuilder()
+                    .add("id", datasetType.getId())
                     .add("name", datasetType.getName())
                     .add("displayName", datasetType.getDisplayName())
                     .add("description", datasetType.getDescription());