do not reset the wizard got_desktops flag when setting the default system lang

this does not trigger any efreet cache rebuilds and will result in the user
being forced to sit through the full duration of the wait timer: currently 7.0s

this gets triggered multiple times throughout the wizard.

embarrassing.jpg

src/modules/wizard/page_010.c

@@ -251,7 +251,8 @@ wizard_page_hide(E_Wizard_Page *pg EINA_UNUSED)
    /* TODO:
     * This should be on lang select,
     * so if next page needs xdg we can't press next */
-   e_wizard_xdg_desktops_reset();
+   if (lang)
+     e_wizard_xdg_desktops_reset();
    e_intl_language_set(e_config->language);
    e_wizard_labels_update();
    return 1;