Trump will win Wisconsin by 5 points, for if Wisconsin had the votes to reject Trump in 2020, they would have in 2016 as well. Voter suppression has only gotten worse, and the state has moved further to the right since 2016.
Yes, Tony Evers will do far more to purge voter rolls and limit access than Scott Walker did. Galaxy brain right there
There's currently a case before the Wisconsin Supreme Court about a planned purge of 200,000 voters, mostly Democrats. The court is 5-2 Republican, and will green-light the purge. Due to COVID-19, it will be impossible for these voters to re-register, therefore Trump wins Wisconsin.