Update world map on return
Update world map on return

World.seenAll must be updated only when committing state changes (i.e., on return home safe), not during exploration.
doublespeakgames/adarkroom,kaisyu/adarkroom,tehp/adarkroom,kaisyu/adarkroom,tehp/adarkroom,doublespeakgames/adarkroom,doublespeakgames/adarkroom,kaisyu/adarkroom