Core: modernize type checking

src/Gui/ViewProviderMeasureDistance.cpp

@@ -196,7 +196,7 @@ void ViewProviderMeasureDistance::attach(App::DocumentObject* pcObject)
 
 void ViewProviderMeasureDistance::updateData(const App::Property* prop)
 {
-    if (prop->getTypeId() == App::PropertyVector::getClassTypeId() ||
+    if (prop->is<App::PropertyVector>() ||
         prop == &Mirror || prop == &DistFactor) {
         if (strcmp(prop->getName(),"P1") == 0) {
             Base::Vector3d v = static_cast<const App::PropertyVector*>(prop)->getValue();