SC Arrivals Shuttle fix

- Fixes issues with the SC arrivals shuttles in regards to airlocks
- New Shuttle seats, ported from Vorestation

code/game/objects/structures/stool_bed_chair_nest/bed.dm

@@ -20,6 +20,7 @@
 	var/material/material
 	var/material/padding_material
 	var/base_icon = "bed"
+	var/applies_material_colour = 1
 
 /obj/structure/bed/New(var/newloc, var/new_material, var/new_padding_material)
 	..(newloc)
@@ -46,7 +47,8 @@
 	var/cache_key = "[base_icon]-[material.name]"
 	if(isnull(stool_cache[cache_key]))
 		var/image/I = image('icons/obj/furniture.dmi', base_icon)
-		I.color = material.icon_colour
+		if(applies_material_colour) //VOREStation Add - Goes with added var
+			I.color = material.icon_colour
 		stool_cache[cache_key] = I
 	overlays |= stool_cache[cache_key]
 	// Padding overlay.

code/game/objects/structures/stool_bed_chair_nest/chairs.dm

@@ -82,6 +82,14 @@
 		src.set_dir(turn(src.dir, 90))
 		return
 
+/obj/structure/bed/chair/shuttle
+	name = "chair"
+	desc = "You sit in this. Either by will or force."
+	icon_state = "shuttle_chair"
+	color = null
+	base_icon = "shuttle_chair"
+	applies_material_colour = 0
+
 // Leaving this in for the sake of compilation.
 /obj/structure/bed/chair/comfy
 	desc = "It's a chair. It looks comfy."