message: fix: call the SetupForStep() with the correct step value
diff: @@ -590,8 +590,7 @@ void BP5Reader::InitBuffer(const TimePoint &timeoutInstant,
  for (size_t Step = 0; Step < m_MetadataIndexTable.size(); Step++)
  {
  m_BP5Deserializer->SetupForStep(
  - Step,
  - m_WriterMap[m_WriterMapIndex[m_CurrentStep]].WriterCount);
  + Step, m_WriterMap[m_WriterMapIndex[Step]].WriterCount);
  InstallMetadataForTimestep(Step);
  }
  }
  