fixup cppbase::visit overloaded ctor usage

Signed-off-by: Folling <mail@folling.io>

src/ikarus/objects/properties/property_scope.cpp

@@ -48,10 +48,10 @@ void ikarus_property_source_visit_const(
     void * user_data
 ) {
     std::visit(
-        cppbase::overloaded(
+        cppbase::overloaded{
             [blueprint_visitor, user_data](IkarusBlueprint const * blueprint) { blueprint_visitor(blueprint, user_data); },
             [entity_visitor, user_data](IkarusEntity const * entity) { entity_visitor(entity, user_data); }
-        ),
+        },
         property_source->data
     );
 }