[fix] show signature on done state

views/report_purchase_order.xml

@@ -45,13 +45,13 @@
                         </tr>
                         <tr>
                             <td style="height: 20px; padding: 5px">
-                                Date : <span t-if="o.state == 'purchase'" t-field="o.date_order" t-field-options="{&quot;format&quot;: &quot;yyyy-MM-dd&quot;}"/>
+                                Date : <span t-if="o.state in ['purchase', 'done']" t-field="o.date_order" t-field-options="{&quot;format&quot;: &quot;yyyy-MM-dd&quot;}"/>
                             </td>
                         </tr>
                         <tr>
                             <td style="height: 100px; padding: 5px">
                                 Signature :
-                                <img t-if="o.state == 'purchase'" src="pylote_imprime/static/description/Signature-loic.png" style="height:150px;"/>
+                                <img t-if="o.state in ['purchase', 'done']" src="pylote_imprime/static/description/Signature-loic.png" style="height:150px;"/>
                             </td>
                         </tr>
                     </tbody>