Switch Ergodox Infinity over to split_common (#13481)

quantum/led_matrix/led_matrix.c

@@ -459,7 +459,7 @@ void led_matrix_init(void) {
 
 void led_matrix_set_suspend_state(bool state) {
 #ifdef LED_DISABLE_WHEN_USB_SUSPENDED
-    if (state) {
+    if (state && is_keyboard_master()) {
         led_matrix_set_value_all(0);  // turn off all LEDs when suspending
     }
     suspend_state = state;