message: simplify: Fix error limits for quadric mode = 2
  When we sort using unnormalized error but limit using normalized error,
  we can't early out when we hit a normalized error that's too large - we
  have to keep looking for other matches.
diff: @@ -809,7 +809,7 @@ static size_t performEdgeCollapses(unsigned int* collapse_remap, unsigned char*
  if (gQuadricMode == 2)
  {
  if (c.error > error_limit * c.weight)
  - break;
  + continue; // note: since the collapses aren't sorted by error/weight, we need to look further until we bump against the error_goal
  }
  else
  {
  