Fix DEBUG_LEVELING_FEATURE for MBL

As noted in #10777

Marlin/src/core/utility.cpp

@@ -378,7 +378,11 @@ void safe_delay(millis_t ms) {
       SERIAL_ECHOPGM("Mesh Bed Leveling");
       if (planner.leveling_active) {
         SERIAL_ECHOLNPGM(" (enabled)");
-        SERIAL_ECHOPAIR("MBL Adjustment Z", ftostr43sign(mbl.get_z(current_position[X_AXIS], current_position[Y_AXIS], 1.0), '+'));
+        SERIAL_ECHOPAIR("MBL Adjustment Z", ftostr43sign(mbl.get_z(current_position[X_AXIS], current_position[Y_AXIS]
+          #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+            , 1.0
+          #endif
+        ), '+'));
         #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
           if (planner.z_fade_height) {
             SERIAL_ECHOPAIR(" (", ftostr43sign(