erp5_officejs_ui_test: use button existed in new version onlyoffice

bt5/erp5_officejs_ui_test/PathTemplateItem/portal_tests/officejs_ui_ooo_text_zuite/testOnlyfficeTextErp5Synchronization.zpt

@@ -154,7 +154,7 @@
 </tr>
 <tr>
   <td>click</td>
-  <td>//button[@id='id-toolbar-btn-pageorient']</td>
+  <td>//button[@id='id-toolbar-btn-align-center']</td>
   <td></td>
 </tr>
 <tr>