Fixes #5787.

The pull icon is now immediately displayed/hidden when one starts/stops pulling an objects.
Not stolen from https://github.com/tgstation/-tg-station/pull/8279.

code/modules/mob/living/carbon/alien/life.dm

@@ -149,9 +149,6 @@
 		else
 			healths.icon_state = "health7"
 
-	if(pullin)
-		pullin.icon_state = "pull[pulling ? 1 : 0]"
-
 	if (client)
 		client.screen.Remove(global_hud.blurry,global_hud.druggy,global_hud.vimpaired)
 

code/modules/mob/living/carbon/brain/life.dm

@@ -225,7 +225,6 @@
 			else
 				healths.icon_state = "health7"
 
-		if(pullin)	pullin.icon_state = "pull[pulling ? 1 : 0]"
 		if (client)
 			client.screen.Remove(global_hud.blurry,global_hud.druggy,global_hud.vimpaired)
 

code/modules/mob/living/carbon/human/life.dm

@@ -1313,9 +1313,6 @@
 			if(pressure)
 				pressure.icon_state = "pressure[pressure_alert]"
 
-			if(pullin)
-				if(pulling)								pullin.icon_state = "pull1"
-				else									pullin.icon_state = "pull0"
 //			if(rest)	//Not used with new UI
 //				if(resting || lying || sleeping)		rest.icon_state = "rest1"
 //				else									rest.icon_state = "rest0"

code/modules/mob/living/carbon/monkey/life.dm

@@ -562,9 +562,6 @@
 		if(pressure)
 			pressure.icon_state = "pressure[pressure_alert]"
 
-		if(pullin)	pullin.icon_state = "pull[pulling ? 1 : 0]"
-
-
 		if (toxin)	toxin.icon_state = "tox[phoron_alert ? 1 : 0]"
 		if (oxygen) oxygen.icon_state = "oxy[oxygen_alert ? 1 : 0]"
 		if (fire) fire.icon_state = "fire[fire_alert ? 2 : 0]"

code/modules/mob/living/silicon/robot/life.dm

@@ -263,8 +263,6 @@
 			else
 				src.bodytemp.icon_state = "temp-2"
 
-
-	if(src.pullin)	src.pullin.icon_state = "pull[src.pulling ? 1 : 0]"
 //Oxygen and fire does nothing yet!!
 //	if (src.oxygen) src.oxygen.icon_state = "oxy[src.oxygen_alert ? 1 : 0]"
 //	if (src.fire) src.fire.icon_state = "fire[src.fire_alert ? 1 : 0]"

code/modules/mob/mob.dm

@@ -616,6 +616,8 @@ var/list/slot_equipment_priority = list( \
 	if(pulling)
 		pulling.pulledby = null
 		pulling = null
+		if(pullin)
+			pullin.icon_state = "pull1"
 
 /mob/proc/start_pulling(var/atom/movable/AM)
 	if ( !AM || !usr || src==AM || !isturf(src.loc) )	//if there's no person pulling OR the person is pulling themself OR the object being pulled is inside something: abort!
@@ -642,6 +644,9 @@ var/list/slot_equipment_priority = list( \
 	src.pulling = AM
 	AM.pulledby = src
 
+	if(pullin)
+		pullin.icon_state = "pull0"
+
 	if(ishuman(AM))
 		var/mob/living/carbon/human/H = AM
 		if(H.pull_damage())