Fix deprecated ReflectionProperty::setValue() usage for PHP 8.3

Problem/Motivation

Follow-up to #3374223-29: Fix deprecated overloaded function usage in PHP 8.3 via #3375693-16: Fix deprecated assert_options() function usage for PHP 8.3

There's 2 usages was not found

https://wiki.php.net/rfc/deprecate_functions_with_overloaded_signatures#...

Proposed resolution

add NULL to prevent deprecation warning

Remaining tasks

review/commit

User interface changes

API changes

Data model changes

Release notes snippet