Fix infinite recursion in lxxt encoder logic (#21819)

keyboards/lxxt/lxxt.c

@@ -20,7 +20,7 @@
 #if defined(ENCODER_ENABLE)
 
 bool encoder_update_kb(uint8_t index, bool clockwise) {
-    if (!encoder_update_kb(index, clockwise)) {
+    if (!encoder_update_user(index, clockwise)) {
       return false; /* Don't process further events if user function exists and returns false */
     }
     if (index == 0) { /* First encoder */