message: Fix selection of root constant source data when viewing cbuffers
diff: @@ -2763,11 +2763,14 @@ void D3D12Replay::FillCBufferVariables(ResourceId pipeline, ResourceId shader, r
  bytebuf rootData;
  + ShaderStageMask reflMask = MaskForStage(refl.stage);
  +
  for(size_t i = 0; sig && i < sig->sig.Parameters.size(); i++)
  {
  const D3D12RootSignatureParameter &p = sig->sig.Parameters[i];
  if(p.ParameterType == D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS &&
  + (ToShaderStageMask(p.ShaderVisibility) & reflMask) &&
  p.Constants.RegisterSpace == (UINT)bind.bindset &&
  p.Constants.ShaderRegister == (UINT)bind.bind)
  {
  