Retain upload after form redisplay with Active Storage

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Same topic, and same without answers yet

Retain an ActiveStorage upload for form redisplay

I was wondering if there is an accepted way to retain a copy of an uploaded file in the case that the greater model fails validation and needs to be redisplayed? This would prevent the user needing to re-upload the file again to submit the form. I’ve not been able to turn anything up elsewhere.