Improve menu pause / resume (#12876)

Marlin/src/feature/power_loss_recovery.cpp

@@ -84,8 +84,8 @@ void PrintJobRecovery::changed() {
  */
 void PrintJobRecovery::check() {
   if (enabled) {
-    if (!card.flag.cardOK) card.initsd();
-    if (card.flag.cardOK) {
+    if (!card.isDetected()) card.initsd();
+    if (card.isDetected()) {
       load();
       if (!valid()) return purge();
       enqueue_and_echo_commands_P(PSTR("M1000 S"));