platform: Update scene file

Loading and saving platform.tscn, without modification, causes these
changes to be written to disk. The platform width change is because the
default width in the script is 2 tiles, but the scene was set up for 3
tiles.

Author: wjt

components/platform/platform.tscn

@@ -3,10 +3,10 @@
 [ext_resource type="Script" uid="uid://dilh5jyuklov6" path="res://components/platform/platform.gd" id="1_dpc6h"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_i4vtk"]
-size = Vector2(384, 40)
+size = Vector2(256, 40)
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_o2vn2"]
-size = Vector2(384, 128)
+size = Vector2(256, 128)
 
 [sub_resource type="Animation" id="Animation_6232f"]
 resource_name = "shake"
@@ -58,7 +58,7 @@ texture_filter = 3
 unique_name_in_owner = true
 root_node = NodePath("../Sprites")
 libraries = {
-"": SubResource("AnimationLibrary_cwxfq")
+&"": SubResource("AnimationLibrary_cwxfq")
 }
 
 [connection signal="body_entered" from="RigidBody2D" to="." method="_on_rigid_body_2d_body_entered"]