Fix Visual Micro "Arduino IDE for Visual Studio" support (#16418)

Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp

@@ -26,7 +26,7 @@
 
   #include "../bedlevel.h"
 
-  #include "../../../Marlin.h"
+  #include "../../../MarlinCore.h"
   #include "../../../HAL/shared/persistent_store_api.h"
   #include "../../../libs/hex_print_routines.h"
   #include "../../../module/configuration_store.h"

Marlin/src/feature/bedlevel/ubl/ubl_motion.cpp

@@ -32,7 +32,7 @@
   #include "../../../module/delta.h"
 #endif
 
-#include "../../../Marlin.h"
+#include "../../../MarlinCore.h"
 #include <math.h>
 
 #if !UBL_SEGMENTED