[FIX] base: country form oe_button_box alignment

closes odoo/odoo#106319

Signed-off-by: Rémy Voet <ryv@odoo.com>

odoo/addons/base/views/res_country_views.xml

@@ -21,7 +21,7 @@
             <field name="arch" type="xml">
                 <form create="0" delete="0">
                     <sheet>
-                        <div class="oe_button_box">
+                        <div class="oe_button_box" name="button_box">
                         </div>
                         <field name="image_url" widget="image_url" class="oe_avatar" options="{'size': [128,128]}"/>
                         <group name="main_group">