[FIX] purchase: add missing multi company record rule

Apply an inter-company rule for the purchase.report

opw:779192

addons/purchase/security/purchase_security.xml

@@ -51,5 +51,12 @@
         <field name="domain_force">['|',('company_id','=',False),('company_id','child_of',[user.company_id.id])]</field>
     </record>
 
+    <record model="ir.rule" id="purchase_order_report_comp_rule">
+        <field name="name">Purchase Order Report multi-company</field>
+        <field name="model_id" ref="model_purchase_report"/>
+        <field name="global" eval="True"/>
+        <field name="domain_force">['|',('company_id','=',False),('company_id','child_of',[user.company_id.id])]</field>
+    </record>
+
 </data>
 </odoo>