message: Fix crash on plug without investment stats
diff: @@ -227,7 +227,7 @@ function enhanceStatsWithPlugs(
  // Add the chosen plugs' investment stats to the item's base investment stats
  for (const socket of sockets) {
  - if (socket.plug) {
  + if (socket.plug && socket.plug.plugItem.investmentStats) {
  for (const perkStat of socket.plug.plugItem.investmentStats) {
  const statHash = perkStat.statTypeHash;
  const itemStat = statsByHash[statHash];
  