Fix mistake in Unmap serialisation overwriting record data for buffers
Fix mistake in Unmap serialisation overwriting record data for buffers

etnlGD/renderdoc,etnlGD/renderdoc,etnlGD/renderdoc,michaelrgb/renderdoc,michaelrgb/renderdoc,googlestadia/renderdoc,cgmb/renderdoc,cgmb/renderdoc,googlestadia/renderdoc,etnlGD/renderdoc,googlestadia/renderdoc,baldurk/renderdoc,baldurk/renderdoc,cgmb/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,TurtleRockStudios/renderdoc_public,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,michaelrgb/renderdoc,etnlGD/renderdoc,baldurk/renderdoc,michaelrgb/renderdoc,googlestadia/renderdoc,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,TurtleRockStudios/renderdoc_public,cgmb/renderdoc,baldurk/renderdoc,cgmb/renderdoc,michaelrgb/renderdoc,baldurk/renderdoc,etnlGD/renderdoc,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,baldurk/renderdoc,Zorro666/renderdoc,googlestadia/renderdoc