Use "mount" as card verb

Marlin/src/feature/binary_protocol.h

@@ -76,7 +76,7 @@ private:
 
   static bool file_open(char* filename) {
     if (!dummy_transfer) {
-      card.initsd();
+      card.mount();
       card.openFile(filename, false);
       if (!card.isFileOpen()) return false;
     }

Marlin/src/feature/power_loss_recovery.cpp

@@ -98,8 +98,8 @@ void PrintJobRecovery::changed() {
  */
 void PrintJobRecovery::check() {
   if (enabled) {
-    if (!card.isDetected()) card.initsd();
-    if (card.isDetected()) {
+    if (!card.isMounted()) card.mount();
+    if (card.isMounted()) {
       load();
       if (!valid()) return purge();
       queue.inject_P(PSTR("M1000 S"));