AZ eVolve-Meso A Phase III, Randomized, Open-Label, Multicenter, Global Study of Volrustomig (MEDI5752) in Combination With Carboplatin Plus Pemetrexed Versus Platinum Plus Pemetrexed or Nivolumab Plus Ipilimumab in Participants With Unresectable Pleural Mesothelioma (eVOLVE-Meso) (Aktiv)