[IMP] Hide deal_id

views/financial_contract.xml

@@ -11,6 +11,10 @@
             ref="financial_contract.financial_deal_contract_view"
         />
         <field name="arch" type="xml">
+            <field name="deal_id" position="attributes">
+                <attribute name="invisible">1</attribute>
+            </field>
+
             <xpath expr="//field[@name='partner_id']" position="before">
                 <field name="deal_tool_id"/>
             </xpath>