message: Disable IA bytecode button when no capture is open
diff: @@ -813,6 +813,7 @@ void D3D11PipelineStateViewer::clearState()
  ui->gsShaderEditButton, ui->psShaderEditButton, ui->csShaderEditButton,
  ui->vsShaderSaveButton, ui->hsShaderSaveButton, ui->dsShaderSaveButton,
  ui->gsShaderSaveButton, ui->psShaderSaveButton, ui->csShaderSaveButton,
  + ui->iaBytecodeViewButton,
  };
  for(QToolButton *b : shaderButtons)
  @@ -1463,6 +1464,8 @@ void D3D11PipelineStateViewer::setState()
  m_Common.SetupShaderEditButton(b, ResourceId(), stage->resourceId, stage->reflection);
  }
  + ui->iaBytecodeViewButton->setEnabled(true);
  +
  vs = ui->csUAVs->verticalScrollBar()->value();
  ui->csUAVs->beginUpdate();
  ui->csUAVs->clear();
  