Advanced pause fixes (#7518)

* Disallow filament change while paused

* Use kinematic movemements in pause_print and resume_print

Marlin/cardreader.h

@@ -167,6 +167,7 @@ private:
 extern CardReader card;
 
 #define IS_SD_PRINTING (card.sdprinting)
+#define IS_SD_FILE_OPEN (card.isFileOpen())
 
 #if PIN_EXISTS(SD_DETECT)
   #if ENABLED(SD_DETECT_INVERTED)
@@ -182,6 +183,7 @@ extern CardReader card;
 #else
 
 #define IS_SD_PRINTING (false)
+#define IS_SD_FILE_OPEN (false)
 
 #endif // SDSUPPORT