Complete M200 output with M503

- The contents of EEPROM include filament diameters even with
Volumetric disabled. This change makes `M503` display the full
volumetric settings so that playing back the output of `M503 S0` will
fully restore them.

Marlin/configuration_store.cpp

@@ -826,39 +826,45 @@ void Config_PrintSettings(bool forReplay) {
 
   #endif // FWRETRACT
 
-  if (volumetric_enabled) {
-    if (!forReplay) {
-      CONFIG_ECHO_START;
-      SERIAL_ECHOLNPGM("Filament settings:");
-    }
+  /**
+   * Volumetric extrusion M200
+   */
+  if (!forReplay) {
+    CONFIG_ECHO_START;
+    SERIAL_ECHOPGM("Filament settings:");
+    if (volumetric_enabled)
+      SERIAL_EOL;
+    else
+      SERIAL_ECHOLNPGM(" Disabled");
+  }
 
+  CONFIG_ECHO_START;
+  SERIAL_ECHOPAIR("  M200 D", filament_size[0]);
+  SERIAL_EOL;
+  #if EXTRUDERS > 1
     CONFIG_ECHO_START;
-    SERIAL_ECHOPAIR("  M200 D", filament_size[0]);
+    SERIAL_ECHOPAIR("  M200 T1 D", filament_size[1]);
     SERIAL_EOL;
-
-    #if EXTRUDERS > 1
+    #if EXTRUDERS > 2
       CONFIG_ECHO_START;
-      SERIAL_ECHOPAIR("  M200 T1 D", filament_size[1]);
+      SERIAL_ECHOPAIR("  M200 T2 D", filament_size[2]);
       SERIAL_EOL;
-      #if EXTRUDERS > 2
+      #if EXTRUDERS > 3
         CONFIG_ECHO_START;
-        SERIAL_ECHOPAIR("  M200 T2 D", filament_size[2]);
+        SERIAL_ECHOPAIR("  M200 T3 D", filament_size[3]);
         SERIAL_EOL;
-        #if EXTRUDERS > 3
-          CONFIG_ECHO_START;
-          SERIAL_ECHOPAIR("  M200 T3 D", filament_size[3]);
-          SERIAL_EOL;
-        #endif
       #endif
     #endif
+  #endif
 
-  } else {
-    if (!forReplay) {
-      CONFIG_ECHO_START;
-      SERIAL_ECHOLNPGM("Filament settings: Disabled");
-    }
+  if (!volumetric_enabled) {
+    CONFIG_ECHO_START;
+    SERIAL_ECHOLNPGM("  M200 D0");
   }
 
+  /**
+   * Auto Bed Leveling
+   */
   #ifdef ENABLE_AUTO_BED_LEVELING
     #ifdef CUSTOM_M_CODES
       if (!forReplay) {