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/res_partner_views.xml

@@ -29,14 +29,14 @@
             <!-- Add WhatsApp notebook page -->
             <xpath expr="//notebook" position="inside">
                 <page string="WhatsApp" name="whatsapp" invisible="whatsapp_conversation_count == 0">
-                    <field name="whatsapp_conversation_ids" mode="tree" readonly="1">
-                        <tree>
+                    <field name="whatsapp_conversation_ids" mode="list" readonly="1">
+                        <list>
                             <field name="account_id"/>
                             <field name="status" widget="badge"/>
                             <field name="last_message_at"/>
                             <field name="last_message_preview"/>
                             <field name="unread_count" widget="badge" decoration-danger="unread_count > 0"/>
-                        </tree>
+                        </list>
                     </field>
                 </page>
             </xpath>
@@ -47,7 +47,7 @@
     <record id="view_partner_tree_whatsapp" model="ir.ui.view">
         <field name="name">res.partner.tree.whatsapp</field>
         <field name="model">res.partner</field>
-        <field name="inherit_id" ref="base.view_partner_tree"/>
+        <field name="inherit_id" ref="base.view_partner_list"/>
         <field name="arch" type="xml">
             <xpath expr="//field[@name='phone']" position="after">
                 <field name="whatsapp_unread_count" widget="badge" decoration-danger="whatsapp_unread_count > 0" optional="show"/>