WIP: fix portal access revocation bug

To be automatically reproduced and tested!

customer_team_manager/models/employee.py

@@ -160,6 +160,16 @@ def prepare_portal_wizard(self, in_portal):
     def action_revoke_portal_access(self):
         self.ensure_one()
         wizard = self.prepare_portal_wizard(False)
+
+        # Remove groups which imply portal otherwise wizard may not work:
+        portal = self.env.ref("base.group_portal")
+        remove_groups = (
+            self.env["res.groups"].sudo().search([("implied_ids", "=", portal.id)])
+        )
+        for partner in wizard.mapped("user_ids.partner_id"):
+            if partner.user_ids:
+                partner.user_ids[0].groups_id -= remove_groups
+
         wizard.action_apply()
         self._reset_roles()