tr.nested-fields
	td
		p = f.object.controle.nome_de_exibicao
		= f.hidden_field :controle_id, value: f.object.controle_id

	td
		= f.select :permitido,
			options_from_collection_for_select([['Sim', true], ['Não', false]], 'last', 'first', f.object.try(:permitido)),
			{ include_blank: "Selecione" },
			class: "form-control s2 col-sm-10"
		= error_for f.object, :permitido