Support shader gl_Color, gl_SecondaryColor and gl_TexCoord built-ins (#2817)

* Support shader gl_Color, gl_SecondaryColor and gl_TexCoord built-ins

* Shader cache version bump

* Fix back color value on fragment shader

* Disable IPA multiplication for fixed function attributes and back color selection

Ryujinx.Graphics.Shader/Translation/FeatureFlags.cs

@@ -20,6 +20,7 @@ namespace Ryujinx.Graphics.Shader.Translation
         RtLayer = 1 << 4,
         CbIndexing = 1 << 5,
         IaIndexing = 1 << 6,
-        OaIndexing = 1 << 7
+        OaIndexing = 1 << 7,
+        FixedFuncAttr = 1 << 8
     }
 }