message: Fix bug with incorrect size check in frame markers get_frame_len
diff: @@ -978,7 +978,7 @@ bool FrameMarkers::render_dlg( TraceEvents &trace_events )
  int64_t FrameMarkers::get_frame_len( TraceEvents &trace_events, int frame )
  {
  - if ( ( size_t )frame < m_left_plocs->size() )
  + if ( ( size_t )frame < m_left_frames.size() )
  {
  uint32_t left_idx = m_left_frames[ frame ];
  uint32_t right_idx = m_right_frames[ frame ];
  