Once again you're assuming facts not in evidence. It's only your opinion, based on your personal partisan politics, that the judge was motivated by partisan politics. It's her court, her trial, and her decision to unseal the brief. She has made it abundantly clear that the fact that the defendant is running for office is irrelevant to how she manages the case. Trying to overturn the 2020 election and illegally stay in power is far more detrimental to society and democracy than the unsealing of a legal brief.
The indictments against trump have been unsealed. How is the judge unsealing a brief in support of the unsealed indictment any different? Even the defendant said on the campaign trail that there's nothing new in the brief. Of course he also went on to call it "election interference", so he's clearly confused. I'm a registered independent voter like you so I guess, using your logic, I can't be partisan.
Election interference has been made by Trump with all is delaying of the trial keeping the voters from knowing all the truth on his actions before and after the 2020 elections with the goal to steal that election.
It's in the interest of voters and justice to know for whom they decide to vote !