[Validator] Fixed ACE domain checks on UrlValidator (#10031)

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #10031
| License       | MIT
| Doc PR        |

I added some checks to allow internationalised domain names as per reported on #10031 and some extra testcases to cover ACE domain names.