message: Fix a crash loading a completely empty capture on D3D11
diff: @@ -1219,10 +1219,13 @@ ReplayStatus WrappedID3D11DeviceContext::ReplayLog(CaptureState readType, uint32
  m_CurEvents.clear();
  if(IsActiveReplaying(m_State))
  + {
  + if(!m_Events.empty())
  {
  APIEvent ev = GetEvent(startEventID);
  m_CurEventID = ev.eventId;
  ser.GetReader()->SetOffset(ev.fileOffset);
  + }
  ClearMaps();
  for(size_t i = 0; i < m_pDevice->GetNumDeferredContexts(); i++)
  