[MIRROR] makes slimes not idle (#2075)

* makes slimes not idle (#82742)

## About The Pull Request
slimes should still be able to do their everyday routine without needing
to be watched over

## Why It's Good For The Game
makes xenobiologist's lives easier

## Changelog
:cl:
qol: slimes will stay active without needing any one to watch over
/:cl:

* makes slimes not idle

---------

Co-authored-by: Ben10Omintrix <[email protected]>

code/datums/ai/_ai_controller.dm

@@ -145,6 +145,8 @@ multiple modular subtrees with behaviors
 	set_new_cells()
 
 /datum/ai_controller/proc/set_new_cells()
+	if(isnull(our_cells))
+		return
 
 	var/turf/our_turf = get_turf(pawn)
 
@@ -163,7 +165,7 @@ multiple modular subtrees with behaviors
 	recalculate_idle()
 
 /datum/ai_controller/proc/should_idle()
-	if(!can_idle)
+	if(!can_idle || isnull(our_cells))
 		return FALSE
 	for(var/datum/spatial_grid_cell/grid as anything in our_cells.member_cells)
 		if(length(grid.client_contents))

code/modules/mob/living/basic/slime/ai/controller.dm

@@ -19,6 +19,7 @@
 		/datum/ai_planning_subtree/basic_melee_attack_subtree/slime,
 		/datum/ai_planning_subtree/random_speech/slime,
 	)
+	can_idle = FALSE
 
 /datum/ai_controller/basic_controller/slime/CancelActions()
 	..()