Removes Spacing by Wheelchairs (#4615)

Now you won't spawn in space due to having a wheelchair.

code/game/jobs/job_controller.dm

@@ -467,10 +467,9 @@ var/global/datum/controller/occupations/job_master
 				R = locate() in S.contents
 			if(!l_foot || !r_foot || R)
 				var/obj/structure/bed/chair/wheelchair/W = new /obj/structure/bed/chair/wheelchair(H.loc)
-				H.buckled = W
+				W.buckle_mob(H)
 				H.update_canmove()
 				W.set_dir(H.dir)
-				W.buckled_mobs |= H
 				W.add_fingerprint(H)
 				if(R)
 					W.color = R.color