✨ SOUND_ON_DEFAULT option (#24102)

Co-authored-by: Scott Lahteine <github@thinkyhead.com>

Marlin/src/lcd/HD44780/marlinui_HD44780.cpp

@@ -121,7 +121,7 @@ static void createChar_P(const char c, const byte * const ptr) {
 
 #if ENABLED(LCD_USE_I2C_BUZZER)
   void MarlinUI::buzz(const long duration, const uint16_t freq) {
-    if (!buzzer_enabled) return;
+    if (!sound_on) return;
     lcd.buzz(duration, freq);
   }
 #endif