message: Fix a crash opening performance counter viewer with capture open
diff: @@ -285,8 +285,6 @@ PerformanceCounterViewer::PerformanceCounterViewer(ICaptureContext &ctx, QWidget
  {
  ui->setupUi(this);
  - m_Ctx.AddCaptureViewer(this);
  -
  connect(ui->captureCounters, &QToolButton::clicked, this,
  &PerformanceCounterViewer::CaptureCounters);
  @@ -306,6 +304,8 @@ PerformanceCounterViewer::PerformanceCounterViewer(ICaptureContext &ctx, QWidget
  ui->counterResults->setSortingEnabled(true);
  ui->counterResults->sortByColumn(0, Qt::AscendingOrder);
  +
  + m_Ctx.AddCaptureViewer(this);
  }
  PerformanceCounterViewer::~PerformanceCounterViewer()
  