Change openFile default to "not-push" instead of "do-replace"

Marlin/Marlin_main.cpp

@@ -3704,7 +3704,7 @@ inline void gcode_M31() {
     bool call_procedure = code_seen('P') && (seen_pointer < namestartpos);
 
     if (card.cardOK) {
-      card.openFile(namestartpos, true, !call_procedure);
+      card.openFile(namestartpos, true, call_procedure);
 
       if (code_seen('S') && seen_pointer < namestartpos) // "S" (must occur _before_ the filename!)
         card.setIndex(code_value_short());

Marlin/cardreader.cpp

@@ -300,10 +300,10 @@ void CardReader::getAbsFilename(char *t) {
     t[0] = 0;
 }
 
-void CardReader::openFile(char* name, bool read, bool replace_current/*=true*/) {
+void CardReader::openFile(char* name, bool read, bool push_current/*=false*/) {
   if (!cardOK) return;
   if (file.isOpen()) { //replacing current file by new file, or subfile call
-    if (!replace_current) {
+    if (push_current) {
       if (file_subcall_ctr > SD_PROCEDURE_DEPTH - 1) {
         SERIAL_ERROR_START;
         SERIAL_ERRORPGM("trying to call sub-gcode files with too many levels. MAX level is:");

Marlin/cardreader.h

@@ -40,7 +40,7 @@ public:
   //this is to delay autostart and hence the initialisaiton of the sd card to some seconds after the normal init, so the device is available quick after a reset
 
   void checkautostart(bool x);
-  void openFile(char* name,bool read,bool replace_current=true);
+  void openFile(char* name, bool read, bool push_current=false);
   void openLogFile(char* name);
   void removeFile(char* name);
   void closefile(bool store_location=false);