message: feat: sort private mutations after merging
diff: @@ -359,6 +359,8 @@ namespace Nextclade {
  auto privateSubstitutions = merge(privateReversionSubstitutions, privateNonReversionSubstitutions);
  privateSubstitutions = merge(privateSubstitutions, privateReversionsOfDeletions);
  + std::sort(privateSubstitutions.begin(), privateSubstitutions.end());
  +
  auto privateDeletions = privateNonReversionDeletions;
  auto totalPrivateSubstitutions = safe_cast<int>(privateSubstitutions.size());
  