message: Fix BP3Reader so that you can open for read a file with the same name you used for opening for write.
diff: @@ -150,9 +150,18 @@ void BP3Reader::InitTransports()
  if (m_BP3Deserializer.m_RankMPI == 0)
  {
  const bool profile = m_BP3Deserializer.m_Profiler.IsActive;
  + try
  + {
  m_FileManager.OpenFiles({m_Name}, adios2::Mode::Read,
  m_IO.m_TransportsParameters, profile);
  }
  + catch (...)
  + {
  + const std::string bpName = helper::AddExtension(m_Name, ".bp");
  + m_FileManager.OpenFiles({bpName}, adios2::Mode::Read,
  + m_IO.m_TransportsParameters, profile);
  + }
  + }
  }
  void BP3Reader::InitBuffer()
  