message: add season backup to search
diff: import { D2CalculatedSeason } from 'data/d2/d2-season-info';
  +import D2SeasonBackup from 'data/d2/seasons_backup.json';
  import D2EventFromOverlay from 'data/d2/watermark-to-event.json';
  import D2SeasonFromOverlay from 'data/d2/watermark-to-season.json';
  import { DimItem } from '../item-types';
  @@ -12,7 +13,7 @@ export function getSeason(item: DimItem): number {
  // iconOverlay has precedence for season
  const overlay = item.iconOverlay || item.hiddenOverlay;
  if (overlay) {
  - return Number(D2SeasonFromOverlay[overlay]);
  + return Number(D2SeasonFromOverlay[overlay]) || D2SeasonBackup[item.hash];
  }
  return D2CalculatedSeason;
  