feat: Autoping availability warning

src/xmpp/iq.c

@@ -2453,8 +2453,9 @@ _disco_autoping_warning_message(GHashTable* features)
 {
     gboolean server_supports_ping = g_hash_table_contains(features, "urn:xmpp:ping");
     gboolean users_prefers_warning = prefs_get_boolean(PREF_AUTOPING_WARNING);
+    gboolean is_autoping_enabled = prefs_get_autoping() != 0;
 
-    if (server_supports_ping && users_prefers_warning) {
+    if (!is_autoping_enabled && server_supports_ping && users_prefers_warning) {
         cons_show("This server supports XEP-0199: XMPP Ping (better keepalive detection),\n"
                   "but autoping feature is currently disabled in settings.\n"
                   "Consider enabling it (e.g., `/autoping set 30`) for improved connection stability.\n"