You need to update the workflow and edit the Transition that is used to Reopen the ticket. For that transition, you need to add a post function to Clear the Resolution field. That will remove the strike-through.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.