[FIX] fleet: Add multi company ir.rule

Purpose
=======
Since the new company switcher, it's now easier
to manage records of different companies.

Specification
=============
Add a multi company `ir.rule` for `fleet.vehicle`.

closes odoo#34426

Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>

addons/fleet/security/fleet_security.xml

@@ -110,5 +110,11 @@
             <field name="model_id" ref="model_fleet_vehicle"/>
             <field name="groups" eval="[(4, ref('fleet_group_manager'))]"/>
         </record>
+        <record id="ir_rule_fleet_vehicle" model="ir.rule">
+            <field name="name">Fleet vehicle: Multi Company</field>
+            <field name="model_id" ref="model_fleet_vehicle"/>
+            <field name="global" eval="True"/>
+            <field name="domain_force">['|', ('company_id', '=', False), ('company_id', 'in', company_ids)]</field>
+        </record>
     </data>
 </odoo>