message: fix: ensure gene name when reporting deletions in csv
diff: @@ -75,7 +75,9 @@ namespace Nextclade {
  }
  std::string formatAminoacidDeletion(const AminoacidDeletion& del) {
  - return formatAminoacidDeletionWithoutGene(del);
  + const auto& gene = del.gene;
  + const auto notation = formatAminoacidDeletionWithoutGene(del);
  + return fmt::format("{}:{}", gene, notation);
  }
  std::string formatClusteredSnp(const ClusteredSnp& csnp) {
  