message: Handle different actual indices vs. displayed indices exporting VS Out
  *  For VS Out data the actual offsets may be different than displayed, so we
  calculate manually rather than querying the model for each index.
diff: @@ -3212,7 +3212,18 @@ void BufferViewer::exportData(const BufferExport &params)
  // offset and sizes
  for(int i = 0; i < model->rowCount(); i++)
  {
  - uint32_t idx = model->data(model->index(i, 1), Qt::DisplayRole).toUInt();
  + // manually calculate the index so that we get the real offset (not the displayed offset)
  + // in the case of vertex output.
  + uint32_t idx = i;
  +
  + if(model->indices && model->indices->data)
  + {
  + idx = CalcIndex(model->indices, i, model->baseVertex);
  +
  + // completely omit primitive restart indices
  + if(model->primRestart && idx == model->primRestart)
  + continue;
  + }
  for(int col = 0; col < cache.count(); col++)
  {
  