message: Fix typo that trashed durations and didn't convert timestamps
diff: @@ -165,7 +165,7 @@ uint32_t Serialiser<SerialiserMode::Reading>::BeginChunk(uint32_t, uint64_t)
  {
  m_Read->Read(m_ChunkMetadata.timestampMicro);
  if(m_TimerFrequency != 1.0 || m_TimerBase != 0)
  - m_ChunkMetadata.durationMicro =
  + m_ChunkMetadata.timestampMicro =
  int64_t(double(m_ChunkMetadata.timestampMicro - m_TimerBase) / m_TimerFrequency);
  }
  