Reframe cockpit around industrial reference

game/presentation/cockpit/cockpit_material_palette.gd

@@ -11,6 +11,7 @@ const GAUGE_FACE_TEXTURE_PATH := (
 var painted_steel: Material
 var dark_steel: Material
 var overhead_steel: StandardMaterial3D
+var brushed_steel: StandardMaterial3D
 var brass: Material
 var copper: Material
 var rubber: Material
@@ -43,6 +44,7 @@ func _init() -> void:
 		0.56,
 		Vector3(1.6, 1.6, 1.6)
 	)
+	brushed_steel = _plain_material(Color(0.27, 0.30, 0.29), 0.82, 0.30)
 	brass = _weathered_material(
 		Color(0.28, 0.18, 0.045),
 		Color(0.08, 0.16, 0.13),