message: Update mine storage in single expression
diff: @@ -327,15 +327,13 @@ void MapViewState::transportOreFromMines()
  auto& stored = mineFacility.storage();
  const auto moved = stored.cap(movementCap);
  - stored -= moved;
  -
  auto& smelterProduction = smelter.production();
  auto newResources = smelterProduction + moved;
  auto capped = newResources.cap(250);
  smelterProduction = capped;
  auto overflow = newResources - capped;
  - stored += overflow;
  + stored -= (moved - overflow);
  }
  }
  }
  