Type fixes

src/facilities/incubator/incubatorUtils.js

src/facilities/nursery/utils/nurseryUtils.js

src/npc/generate/generateGenetics.js

src/npc/generate/generateNewSlaveJS.js

src/npc/generate/heroCreator.js

src/npc/infants/infantSummary.js

src/npc/infants/longInfantDescription.js