feat: added file and files to dtovalidator

Author: Nino van Galen

lib/server/utilities/dtoValidator.js

@@ -21,11 +21,11 @@
  *                          HTTP request.
  * @returns {Object} Returns the validated value or null if an error occurred.
  */
-const dtoValidator = async (dto, { body, params, query, session }, response) => {
+const dtoValidator = async (dto, { body, params, query, session, file, files }, response) => {
     let value = null;
 
     try {
-        value = await dto.validateAsync({ body, params, query }, {
+        value = await dto.validateAsync({ body, params, query, file, files }, {
             abortEarly: false,
         });
         value.session = session;