Courts-High Court-jurisdiction-Commission on Human Rights and Administrative Justice (CHRAJ)-Fundamental human rights matters-High Court granted exclusive jurisdiction at first instance-Supervisory juris­diction of High Courts over lower courts and tribunals preserved by Constitution-Act 456 creating CHRAJ under authority of Constitution Section 22(1) of Act 456 ousting High Court's supervisory jurisdiction over CHRAJ-Whether provision valid-Constitution 1992, arts 1(2) and 33­Commission on Human Rights and Administrative Justice Act, 1993 (Act 456), s 22(1)