add validation to special perms on account

Author: Wassim-Rached

src/main/java/com/example/usermanagement/services/AccountService.java

@@ -177,6 +177,8 @@ public List<AccountAuthoritiesEditResponse> editAuthorities(List<EditAuthorities
         List<AccountAuthoritiesEditResponse> responses = new ArrayList<>();
 
         for (EditAuthoritiesRequest accountChangeRequest : requestBody) {
+            accountChangeRequest.validate();
+
             AccountAuthoritiesEditResponse response = new AccountAuthoritiesEditResponse();
             response.setEmail(accountChangeRequest.getEmail());