def show
      user = ::User.from_url_component(params[:id])
      return redirect_to root_path, alert: "User '#{params[:id]}' does not exist" if user.nil?
      @presenter = Hyrax::UserProfilePresenter.new(user, current_ability)
    end
def show
      user = ::User.from_url_component(params[:id])
      return redirect_to root_path, alert: "User '#{params[:id]}' does not exist" if user.nil?
      @presenter = Hyrax::UserProfilePresenter.new(user, current_ability)
    end
Display user profile