Add new font for the OnScreen GUI

Cleanup of GUI shader code
Make copy/paste work in Onscreen GUI

modules/onscreengui/shaders/gui_vs.glsl

@@ -24,8 +24,6 @@
 
 #version __CONTEXT__
 
-uniform mat4 ortho;
-
 in vec2 in_position;
 in vec2 in_uv;
 in vec4 in_color;
@@ -33,8 +31,10 @@ in vec4 in_color;
 out vec2 out_uv;
 out vec4 out_color;
 
+uniform mat4 ortho;
+
 void main() {
     out_uv = in_uv;
     out_color = in_color;
     gl_Position = ortho * vec4(in_position.xy, 0.0, 1.0);
-}
+}