Fixed Scissor Test on Intel based GPUs (#595)

* Reworked scissor tests to remove fixme and handle issues with intel gpu's

* Error handling for scissor tests

* Disable strict opengl by default

* Reformatting for JD

* Updated scheme for new property in config

* Fixed typo

* Moved magic value to constant. I liked the magic :(

* Fixed ordering for undertale

* Fixed undertale bug

* Removed strict opengl in favour of required. With this an exception is no longer thrown, just a warning for required extensions

* Uses clamp instead of if's

* Removed evil tabs and no longer used include

Ryujinx.Graphics/Gal/OpenGL/OGLRenderTarget.cs

@@ -367,9 +367,6 @@ namespace Ryujinx.Graphics.Gal.OpenGL
 
             GL.Disable(EnableCap.FramebufferSrgb);
 
-            // Will be re-enabled if needed while binding, called before any game GL calls
-            GL.Disable(EnableCap.ScissorTest);
-
             GL.BlitFramebuffer(
                 SrcX0,
                 SrcY0,