Function make_shared_no_tracking

src/fl/stl/shared_ptr.h:435–437

// No control block is allocated - this is a zero-overhead wrapper around a raw pointer.
template<typename T>
shared_ptr<T> make_shared_no_tracking(T& obj) FL_NOEXCEPT {
    return shared_ptr<T>(&obj, nullptr, detail::no_tracking_tag{});
}

// make_shared_array for array allocations
template<typename T>