[FIX] loyalty: unable to open partner view

Step to Reproduce at Runbot:
-> Install Coupons & Loyalty and Contacts Apps
-> Open Contacts form view
-> AccessError telling you that you cannot read loyalty program & cards

See this video url:
https://watch.screencastify.com/v/ygI1wjVyP5xo5tWTzeST

closes odoo/odoo#130092

Part-of: #107375
X-original-commit: 4c31ef775579b6c7163c91fa2069fcc64819f940
Signed-off-by: Victor Feyens (vfe) <vfe@odoo.com>

addons/loyalty/models/res_partner.py

@@ -7,11 +7,14 @@ class ResPartner(models.Model):
 
     loyalty_card_count = fields.Integer(
         string="Active loyalty cards",
-        compute='_compute_count_active_cards')
+        compute='_compute_count_active_cards',
+        compute_sudo=True,
+        groups='base.group_user')
 
     def _compute_count_active_cards(self):
         loyalty_groups = self.env['loyalty.card']._read_group(
             domain=[
+                '|', ('company_id', '=', False), ('company_id', 'in', self.env.companies.ids),
                 ('partner_id', 'in', self.with_context(active_test=False)._search([('id', 'child_of', self.ids)])),
                 ('points', '>', '0'),
                 ('program_id.active', '=', 'True'),