message: Don't show 0.0 as the default drawcall duration
diff: @@ -228,7 +228,7 @@ QPair<uint32_t, uint32_t> EventBrowser::AddDrawcalls(RDTreeWidgetItem *parent,
  const DrawcallDescription &d = draws[i];
  RDTreeWidgetItem *child = new RDTreeWidgetItem(
  - {ToQStr(d.name), QString::number(d.eventID), QString::number(d.drawcallID), lit("0.0")});
  + {ToQStr(d.name), QString::number(d.eventID), QString::number(d.drawcallID), lit("---")});
  QPair<uint32_t, uint32_t> last = AddDrawcalls(child, d.children);
  lastEID = last.first;
  