add focus reset utility

src/singletons/global_state.gd

@@ -163,6 +163,7 @@ func load_user_settings():
 		
 		for kategory in parsed.values():
 			for key in kategory.keys():
+				if key in self:
 					set(key, parsed[key])
 
 	else:
@@ -317,6 +318,9 @@ func free_focus():
 	if focus_locked: return false
 	if stage_list.size() > 0: stage_list.front().has_stage = false
 
+func reset_focus():
+	stage_list = [stage_list[-1]]
+
 func transition_stage_to(thief: Object, lock_focus = false):
 	focus_locked = lock_focus
 	if stage_list.size() > 0: