Order ir attachment metadata by create date

attachment_base_synchronize/views/attachment_view.xml

@@ -32,7 +32,7 @@
      <record id="view_external_attachment_tree" model="ir.ui.view">
         <field name="model">ir.attachment.metadata</field>
         <field name="arch" type="xml">
-            <tree string="Attachments" >
+            <tree string="Attachments" default_order='create_date desc'>
                 <field name="name"/>
                 <field name="datas_fname"/>
                 <field name="file_type"/>