message: Fix pixel history view launching shader debugger on qrenderdoc
diff: @@ -637,13 +637,11 @@ void PixelHistoryView::startDebug(EventTag tag)
  ShaderDebugTrace *trace = NULL;
  - bool success = false;
  -
  - m_Ctx.Replay().BlockInvoke([this, &success, &trace](IReplayController *r) {
  + m_Ctx.Replay().BlockInvoke([this, &trace](IReplayController *r) {
  trace = r->DebugPixel((uint32_t)m_Pixel.x(), (uint32_t)m_Pixel.y(), m_Display.sampleIdx, ~0U);
  });
  - if(!success || trace->states.count == 0)
  + if(trace->states.count == 0)
  {
  RDDialog::critical(this, tr("Debug Error"), tr("Error debugging pixel."));
  delete trace;
  @@ -662,7 +660,7 @@ void PixelHistoryView::startDebug(EventTag tag)
  IShaderViewer *s =
  m_Ctx.DebugShader(&bindMapping, shaderDetails, ShaderStage::Pixel, trace, debugContext);
  - m_Ctx.AddDockWindow(s->Widget(), DockReference::AddTo, m_Ctx.GetMainWindow()->Widget());
  + m_Ctx.AddDockWindow(s->Widget(), DockReference::MainToolArea, NULL);
  });
  }
  