Couple of fixes for situations involving mechas and the clock cult gamemode (#37218)

* couple of mech fixes

* safety

* gateway, gravity gen

* Restores oingo-boingo punch-nuke

code/modules/projectiles/projectile/bullets/shotgun.dm

@@ -1,7 +1,7 @@
 /obj/item/projectile/bullet/shotgun_slug
 	name = "12g shotgun slug"
 	damage = 60
-	
+
 /obj/item/projectile/bullet/shotgun_slug/tengauge
 	name = "10g shotgun slug"
 	damage = 72.5
@@ -42,7 +42,7 @@
 	if(ismovableatom(target))
 		var/atom/movable/M = target
 		var/atom/throw_target = get_edge_target_turf(M, get_dir(src, get_step_away(M, src)))
-		M.throw_at(throw_target, 3, 2)
+		M.safe_throw_at(throw_target, 3, 2)
 
 /obj/item/projectile/bullet/shotgun_meteorslug/Initialize()
 	. = ..()