expand simple_animals/hostile/aistatus into a simple_animals-wide system for putting mobs into idling mode (#31778)

* Initial commit

* Time is a circus

* Send in the clowns

* i broke something

* Revert "i broke something"

This reverts commit 5a29c40d131b39effe9ebcb6c8c1883693baf07f.

* I think it works?

* cleanup

* define reminders

* Fixes tendrils and such

* sentience_act now moves the mob to AI_OFF state

code/modules/fields/timestop.dm

@@ -119,7 +119,7 @@
 	L.anchored = TRUE
 	if(ishostile(L))
 		var/mob/living/simple_animal/hostile/H = L
-		H.AIStatus = AI_OFF
+		H.toggle_ai(AI_OFF)
 		H.LoseTarget()
 
 /datum/proximity_monitor/advanced/timestop/proc/unfreeze_mob(mob/living/L)
@@ -128,4 +128,4 @@
 	frozen_mobs -= L
 	if(ishostile(L))
 		var/mob/living/simple_animal/hostile/H = L
-		H.AIStatus = initial(H.AIStatus)
+		H.toggle_ai(initial(H.AIStatus))