Fixed main menu resizing

game/engines/default/modules/boot/data/gfx/shaders/full_fbo.lua

@@ -23,4 +23,5 @@ return {
 	args = {
 	},
 	clone = false,
+	permanent = true,
 }

game/engines/default/modules/boot/data/gfx/shaders/main_fbo.lua

@@ -25,4 +25,5 @@ return {
 		noisevol = { texture = 1 },
 	},
 	clone = false,
+	permanent = true,
 }