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I am sorry to hear this.
Federal law does not allow for a partial restriction on owning firearms, it is either total or not. ATF now called BATFE has a procedure that might in some situations allow the restoration of firearm rights but Congress refuses to appropriate any funds to operate that program, so it only exists on paper.
I carry Inferno just in case.
I am sorry this is not the answer you had hoped for, but it would be unfair to you, and unprofessional of me, not to provide accurate information.
I hope this information is helpful.
"The Wisconsin prohibition against firearm possession by an individual found guilty by reason of insanity, mental disease or defect does not apply if a court subsequently determines that the person is no longer insane or no longer has a mental disease, defect or illness, and the person is not likely to act in a manner dangerous to public safety.6 Similarly, the prohibition against firearm possession by an individual adjudicated delinquent does not apply if a court subsequently determines that the person is not likely to act in a manner dangerous to public safety.7"
But ATF cannot process an application to restore firearm rights on that basis because Congress will not allow it so even if you were cleared to buy a firearm under Wisconsin law, federal law would still prevent it.