Init copyheap after checking for errors
Init copyheap after checking for errors

* This doesn't actually fix any problems, but a couple of crash reports
  exposed the fact that we try to use the result of CreateDescriptorHeap
  before checking for errors - this leads to a crash and hides the real
  problem.

baldurk/renderdoc,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,Yours3lf/renderdoc,Anteru/renderdoc,Anteru/renderdoc,Lssikkes/renderdoc,baldurk/renderdoc,cgmb/renderdoc,Anteru/renderdoc,victor-moya/renderdoc,Velro/renderdoc,TurtleRockStudios/renderdoc_public,Velro/renderdoc,baldurk/renderdoc,Velro/renderdoc,TurtleRockStudios/renderdoc_public,TurtleRockStudios/renderdoc_public,michaelrgb/renderdoc,Lssikkes/renderdoc,TurtleRockStudios/renderdoc_public,etnlGD/renderdoc,Lssikkes/renderdoc,etnlGD/renderdoc,googlestadia/renderdoc,michaelrgb/renderdoc,Velro/renderdoc,victor-moya/renderdoc,Velro/renderdoc,googlestadia/renderdoc,googlestadia/renderdoc,Yours3lf/renderdoc,etnlGD/renderdoc,TurtleRockStudios/renderdoc_public,michaelrgb/renderdoc,Yours3lf/renderdoc,michaelrgb/renderdoc,cgmb/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,Anteru/renderdoc,Yours3lf/renderdoc,Velro/renderdoc,Lssikkes/renderdoc,victor-moya/renderdoc,Lssikkes/renderdoc,etnlGD/renderdoc,etnlGD/renderdoc,Lssikkes/renderdoc,etnlGD/renderdoc,baldurk/renderdoc,cgmb/renderdoc,Yours3lf/renderdoc,victor-moya/renderdoc,Anteru/renderdoc,Zorro666/renderdoc,Anteru/renderdoc,victor-moya/renderdoc,googlestadia/renderdoc,michaelrgb/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,victor-moya/renderdoc,Zorro666/renderdoc,googlestadia/renderdoc,Zorro666/renderdoc,Anteru/renderdoc,Zorro666/renderdoc,cgmb/renderdoc,cgmb/renderdoc,Yours3lf/renderdoc