Fixed texture fade shader (SerbiaStrong-220#1626)

Author: stalengd

Resources/Prototypes/SS220/Shaders/texture_fade.yml

@@ -1,6 +1,5 @@
 # © SS220, An EULA/CLA with a hosting restriction, full text: https://raw.githubusercontent.com/SerbiaStrong-220/space-station-14/master/CLA.txt
-# Fkn broken on some devices, fix later
-# - type: shader
-#   id: TextureFade
-#   kind: source
-#   path: "/Textures/SS220/Shaders/texture_fade.swsl"
+ - type: shader
+   id: TextureFade
+   kind: source
+   path: "/Textures/SS220/Shaders/texture_fade.swsl"

Resources/Textures/SS220/Shaders/texture_fade.swsl

@@ -2,11 +2,10 @@
 uniform highp float FadeProgress;
 
 void fragment() {
-
     highp vec4 color = texture2D(TEXTURE, UV.xy);
     if (color.a <= FadeProgress) {
         discard;
     }
-	color.a = 1;
+	color.a = 1.0;
 	COLOR = color;
 }