Add WWHD GameCube Color Grading preset to Contrasty pack

This is just using the values from the old pack. from what i can tell, most of the pack does the job anyway; adding this preset ends up making the game a little darker

Also made some bug fixes with it.

Enhancements/WindWakerHD_Contrasty/ff71dcd2ad4defdc_00000000000003c9_ps.txt

@@ -5,7 +5,7 @@
 
 uniform vec2 uf_fragCoordScale;
 
-const float hazeFactor = 0.1;
+const float hazeFactor = $hazeFactor;
 
 const float gamma = $gamma; // 1.0 is neutral  Botw is already colour graded at this stage
 const float exposure = $exposure; // 1.0 is neutral

Enhancements/WindWakerHD_Contrasty/rules.txt

@@ -158,3 +158,25 @@ $vibrance = 0.45
 $crushContrast = 0.0
 $bleach = 0.85
 $sharp_mix = 0.1
+
+[Preset]
+name = GameCube Color Grading
+$redShadows = 1.0
+$greenShadows = 1.0
+$blueSadows = 1.0
+$redMid = 1.0
+$greenMid = 1.0
+$blueMid = 1.0
+$redHilight = 1.0
+$greenHilight = 1.0
+$blueHilight = 1.0
+
+$contrastCurve = 0.0
+$hazeFactor = 1.0
+$bloom = 1.0
+$gamma = 0.85
+$exposure = 1.02
+$vibrance = 0.0175
+$crushContrast = 0.0
+$bleach = 1.0
+$sharp_mix = 0.0