[no gbp] some few bot fixes (#80208)

## About The Pull Request
i forgto to set this in my last prs closes #80204 
also closes #80252

## Why It's Good For The Game
ais can summon bots 

## Changelog
🆑
fix: AIs can summon bots again
fix: cleanbots can clean floors directly underneath them and prioritize
floors nearest to them
fix: medbots drop empty medkits now
/🆑

code/modules/mob/living/basic/bots/cleanbot/cleanbot_ai.dm

@@ -77,9 +77,8 @@
 	var/list/ignore_list = controller.blackboard[BB_TEMPORARY_IGNORE_LIST]
 	for(var/atom/found_item in found)
 		if(LAZYACCESS(ignore_list, found_item))
-			found -= found_item
-	if(length(found))
-		return pick(found)
+			continue
+		return found_item
 
 /datum/ai_planning_subtree/acid_spray