[FIX] base: show result separator only in done state

closes odoo/odoo#105630

Signed-off-by: Xavier Morel (xmo) <xmo@odoo.com>

odoo/addons/base/wizard/base_module_update_views.xml

@@ -8,7 +8,7 @@
             <field name="arch" type="xml">
                 <form string="Update Module List">
                     <field name="state" invisible="1"/>
-                    <separator string="Module Update Result"/>
+                    <separator string="Module Update Result" states="done"/>
                     <group states="init">
                         <span class="o_form_label">Click on Update below to start the process...</span>
                     </group>