Add independent pixelation controls

ui/pixelation_reset_overlay.tscn

@@ -0,0 +1,30 @@
+[gd_scene load_steps=3 format=3]
+
+[ext_resource type="Script" path="res://ui/pixelation_reset_overlay.gd" id="1_script"]
+[ext_resource type="Theme" path="res://ui/game_theme.tres" id="2_theme"]
+
+[node name="PixelationResetOverlay" type="CanvasLayer"]
+layer = 300
+visible = false
+script = ExtResource("1_script")
+
+[node name="ResetAnchor" type="MarginContainer" parent="."]
+anchors_preset = 3
+anchor_left = 1.0
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = -324.0
+offset_top = -86.0
+offset_right = -16.0
+offset_bottom = -16.0
+grow_horizontal = 0
+grow_vertical = 0
+mouse_filter = 2
+theme = ExtResource("2_theme")
+
+[node name="ResetPixelationButton" type="Button" parent="ResetAnchor"]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(308, 70)
+layout_mode = 2
+text = "reset pixelation"