[FIX] estate: replace invalid models.Constraint with _sql_constraints

The models.Constraint syntax does not exist in Odoo's ORM.
SQL constraints must be defined using the _sql_constraints class attribute.

Author: raibr

estate/views/estate_property_offer_views.xml

@@ -1,20 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
     <!-- List View -->
+    <record id="estate_property_offer_view_list" model="ir.ui.view">
+        <field name="name">estate.property.offer.view.list</field>
+    <!-- List View -->
     <record id="estate_property_offer_view_list" model="ir.ui.view">
         <field name="name">estate.property.offer.view.list</field>
         <field name="model">estate.property.offer</field>
         <field name="arch" type="xml">
+            <list editable="bottom" decoration-danger="status == 'refused'" decoration-success="status == 'accepted'">
             <list editable="bottom" decoration-danger="status == 'refused'" decoration-success="status == 'accepted'">
                 <field name="price"/>
                 <field name="partner_id"/>
                 <field name="property_id"/>
+                <field name="property_id"/>
                 <field name="validity"/>
                 <field name="date_deadline"/>
-                <field name="status" column_invisible="1"/>
+                <field name="status" />
                 <button name="action_accept" type="object" icon="fa-check" title="Accept"/>
                 <button name="action_refuse" type="object" icon="fa-times" title="Refuse"/>
 
+                
             </list>
         </field>
     </record>
@@ -45,5 +51,6 @@
         <field name="res_model">estate.property.offer</field>
         <field name="view_mode">list,form</field>
         <field name="domain">[('property_id.property_type_id', '=', active_id)]</field>
+        <field name="domain">[('property_id.property_type_id', '=', active_id)]</field>
     </record>
 </odoo>