[FIX] sale: enable demo SO's currency

Needed for demo flow of payment links.

closes odoo/odoo#77874

X-original-commit: 7b51d4e0ae5a9a10cfd548bc6307dac180be280f
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>
Signed-off-by: Valentin Chevalier <chevalierv@users.noreply.github.com>

addons/sale/data/sale_demo.xml

@@ -2,6 +2,15 @@
 <odoo>
     <data noupdate="1">
 
+        <!-- Enable EUR currency since it's the currency on the company, pricelist and Sale Orders
+
+            If the currency is not enabled, you cannot pay the demo SO's with a payment link bc the currency
+            is disabled.
+        -->
+        <function model="res.currency" name="action_unarchive">
+            <value model="res.currency" search="[('id', '=', obj().env.ref('product.list0').currency_id.id), ('active', '=', False)]"/>
+        </function>
+
         <!-- We want to activate pay and sign by default for easier demoing. -->
         <record id="base.main_company" model="res.company">
             <field name="portal_confirmation_pay" eval="True"/>