disable xkbswitch module loading under wayland

NYI

src/modules/xkbswitch/e_mod_main.c

@@ -67,6 +67,8 @@ E_API E_Module_Api e_modapi =
 E_API void *
 e_modapi_init(E_Module *m)
 {
+   /* FIXME */
+   if (e_comp->comp_type == E_PIXMAP_TYPE_WL) return NULL;
    /* Menus and dialogs */
    e_configure_registry_category_add("keyboard_and_mouse", 80, _("Input"),
                                      NULL, "preferences-behavior");