Replace call to parse_url() with Uri instanciation in Util\Proxy
Replace call to parse_url() with Uri instanciation in Util\Proxy

- Address part of https://github.com/friendica/friendica/issues/12011#issuecomment-1321796513

friendica/friendica,friendica/friendica,annando/friendica,annando/friendica,friendica/friendica,friendica/friendica,annando/friendica,annando/friendica,annando/friendica,friendica/friendica