egl: Call SDL_EGL_SetSwapInterval during context creation, not the GL version.

The `GL` version returns early because the context isn't set yet, whereas the
`EGL` version works out here.

Fixes #14642.

src/video/SDL_egl.c

@@ -1144,7 +1144,7 @@ SDL_GLContext SDL_EGL_CreateContext(SDL_VideoDevice *_this, EGLSurface egl_surfa
         }
     }
 
-    SDL_GL_SetSwapInterval(0);  // EGL tends to default to vsync=1. To make this consistent with the rest of SDL, we force it off at startup. Apps can explicitly enable it afterwards.
+    SDL_EGL_SetSwapInterval(0);  // EGL tends to default to vsync=1. To make this consistent with the rest of SDL, we force it off at startup. Apps can explicitly enable it afterwards.
 
     return (SDL_GLContext)egl_context;
 }