fix(odoo): cambiar tree a list para Odoo 17+

- Reemplazar <tree> por <list> en todas las vistas
- Cambiar mode="tree" a mode="list"
- Actualizar view_partner_tree a view_partner_list
- Actualizar view_mode de tree,form a list,form

En Odoo 17+, el tipo de vista "tree" fue renombrado a "list".

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

odoo_whatsapp_hub/views/whatsapp_account_views.xml

@@ -5,13 +5,13 @@
         <field name="name">whatsapp.account.tree</field>
         <field name="model">whatsapp.account</field>
         <field name="arch" type="xml">
-            <tree>
+            <list>
                 <field name="name"/>
                 <field name="phone_number"/>
                 <field name="status" widget="badge" decoration-success="status == 'connected'" decoration-warning="status == 'connecting'" decoration-danger="status == 'disconnected'"/>
                 <field name="is_default"/>
                 <field name="conversation_count"/>
-            </tree>
+            </list>
         </field>
     </record>
 
@@ -58,6 +58,6 @@
     <record id="action_whatsapp_account" model="ir.actions.act_window">
         <field name="name">Cuentas WhatsApp</field>
         <field name="res_model">whatsapp.account</field>
-        <field name="view_mode">tree,form</field>
+        <field name="view_mode">list,form</field>
     </record>
 </odoo>