metal: fix various issues with Metal rendering; improve presentation

Author: stuartcarnie

drivers/d3d12/rendering_device_driver_d3d12.cpp

@@ -5861,7 +5861,9 @@ uint64_t RenderingDeviceDriverD3D12::api_trait_get(ApiTrait p_trait) {
 			return D3D12_TEXTURE_DATA_PITCH_ALIGNMENT;
 		case API_TRAIT_SECONDARY_VIEWPORT_SCISSOR:
 			return false;
-		case API_TRAIT_CLEARS_WITH_COPY_ENGINE:
+		case API_TRAIT_BUFFER_CLEARS_WITH_COPY_ENGINE:
+			return false;
+		case API_TRAIT_TEXTURE_CLEARS_WITH_COPY_ENGINE:
 			return false;
 		case API_TRAIT_USE_GENERAL_IN_COPY_QUEUES:
 			return true;