Fix shader materials on forcefields

Scenes/Actors/ForceField_Horizontal.tscn

@@ -1,10 +1,22 @@
-[gd_scene load_steps=24 format=3 uid="uid://b0gpbkxdfbnjh"]
+[gd_scene load_steps=26 format=3 uid="uid://b0gpbkxdfbnjh"]
 
 [ext_resource type="Script" uid="uid://b2bpqbfeqi4ge" path="res://Scripts/Activables/ForceField.cs" id="1_yxhr6"]
 [ext_resource type="Texture2D" uid="uid://gc24sjyj47x6" path="res://Sprites/Actors/ForceFieldHorizontal.png" id="2_12wxm"]
 [ext_resource type="Shader" uid="uid://0ruey5bjl7mh" path="res://Shaders/Blink.gdshader" id="2_q7pky"]
 [ext_resource type="Shader" uid="uid://cjdl1m3psohju" path="res://Shaders/scanlines_static.tres" id="2_qbobr"]
 
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_yl7re"]
+resource_local_to_scene = true
+shader = ExtResource("2_q7pky")
+shader_parameter/blink_color = Color(0, 0, 0, 1)
+shader_parameter/blink_intensity = 0.0
+shader_parameter/teleport_progress = 0.0
+shader_parameter/scanline_density = 50.0
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_u04tu"]
+resource_local_to_scene = true
+shader = ExtResource("2_qbobr")
+
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_tnfy3"]
 shader = ExtResource("2_qbobr")
 
@@ -148,6 +160,8 @@ collision_mask = 154
 script = ExtResource("1_yxhr6")
 TurnOffShader = ExtResource("2_q7pky")
 ActiveShader = ExtResource("2_qbobr")
+TurnOffMaterial = SubResource("ShaderMaterial_yl7re")
+ActiveMaterial = SubResource("ShaderMaterial_u04tu")
 metadata/_edit_group_ = true
 
 [node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="."]