FINERACT-2776: Add entitySubType to GetDataTablesResponse schema

fineract-provider/src/main/java/org/apache/fineract/infrastructure/dataqueries/api/DatatablesApiResourceSwagger.java

@@ -45,6 +45,8 @@ private GetDataTablesResponse() {
         public String applicationTableName;
         @Schema(example = "extra_client_details")
         public String registeredTableName;
+        @Schema(example = "Person", description = "The entity sub type the datatable is registered against, when the application table supports one (for example Person or Entity on m_client). Null when the registration is not scoped to a sub type.")
+        public String entitySubType;
         public List<ResultsetColumnHeaderData> columnHeaderData;
     }
 

integration-tests/src/test/java/org/apache/fineract/integrationtests/datatable/DatatableIntegrationTest.java

@@ -702,6 +702,7 @@ public void validateCreateAndEditDatatable() {
         assertEquals(datatableName, datatableUpdateResponse.getResourceIdentifier());
 
         GetDataTablesResponse dataTable = datatableHelper.getDataTableDetails(datatableName);
+        assertEquals(CLIENT_PERSON_SUBTYPE_NAME, dataTable.getEntitySubType());
         List<ResultsetColumnHeaderData> columnHeaders = dataTable.getColumnHeaderData();
         assertEquals(5, columnHeaders.size());
         ResultsetColumnHeaderData stringColumn = columnHeaders.get(1);