FTexture2DBuilder::InitializeAndReplaceExistingTexture

Create a new [UTexture2D](API\Runtime\Engine\Engine\UTexture2D) 'over' an existing [UTexture2D](API\Runtime\Engine\Engine\UTexture2D) using the same texture settings as a given source [UTexture2D](API\Runtime\Engine\Engine\UTexture2D).