With reference to the intervention into the administration of the Mangaung Metropolitan Municipality, what (a) was the total amount owed to the Mangaung Metropolitan Municipality by each (i) national and (ii) provincial department and (iii) state-owned entity in the period 1 May 2022 to 1 May 2023 and (b) steps have been taken by the intervention team to ensure that the specified departments and entities duly pay their municipal accounts?