🧑‍💻 Add ExtUI::onLevelingDone, match DWIN to ExtUI

Marlin/src/lcd/extui/example/example.cpp

@@ -59,8 +59,8 @@ namespace ExtUI {
   void onStatusChanged(const char * const msg) {}
 
   void onHomingStart() {}
-  void onHomingComplete() {}
-  void onPrintFinished() {}
+  void onHomingDone() {}
+  void onPrintDone() {}
 
   void onFactoryReset() {}
 
@@ -99,7 +99,8 @@ namespace ExtUI {
   }
 
   #if HAS_MESH
-    void onMeshLevelingStart() {}
+    void onLevelingStart() {}
+    void onLevelingDone() {}
 
     void onMeshUpdate(const int8_t xpos, const int8_t ypos, const_float_t zval) {
       // Called when any mesh points are updated