Core: restoreContent not restoring expressions (#21152)

src/Mod/Sketcher/App/SketchObject.cpp

@@ -10368,7 +10368,7 @@ bool SketchObject::getBlockedState(const Constraint* cstr, bool& blockedstate) c
 void SketchObject::onDocumentRestored()
 {
     try {
-        restoreFinished();
+        onSketchRestore();
         Part::Part2DObject::onDocumentRestored();
     }
     catch (...) {
@@ -10376,6 +10376,12 @@ void SketchObject::onDocumentRestored()
 }
 
 void SketchObject::restoreFinished()
+{
+    App::DocumentObject::restoreFinished();
+    onSketchRestore();
+}
+
+void SketchObject::onSketchRestore()
 {
     try {
         migrateSketch();

src/Mod/Sketcher/App/SketchObject.h

@@ -917,6 +917,7 @@ protected:
 
     void onDocumentRestored() override;
     void restoreFinished() override;
+    void onSketchRestore();
 
     std::string validateExpression(const App::ObjectIdentifier& path,
                                    std::shared_ptr<const App::Expression> expr);