contract/contract_sale_generation/views/sale_view.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <record id="act_recurring_sales" model="ir.actions.act_window">
        <field name="context">{'search_default_project_id':
        [active_id],
        'default_project_id': active_id}
        </field>
        <field name="name">Sales</field>
        <field name="res_model">sale.order</field>
        <field name="view_id" ref="sale.view_order_tree" />
        <field name="search_view_id" ref="sale.sale_order_view_search_inherit_sale"/>
    </record>

</odoo>