That's not what the ruling said. Trumps actions weren't impermissible censorship, they were impermissible for other reasons. You can't just assume a court ruling was done for the reason you believe.
> Trumps actions weren't impermissible censorship, they were impermissible for other reasons.
They were impermissible as viewpoint-based censorship of a designated public forum in violation of the First Amendment, you are wrong that it was “for other reasons”.