[FIX] portal: use company_id for portal report generation

The company is needed in the context to get the paper format for
instance because of `get_paperformat`

X-original-commit: a1526eb4e5b1eb7cada603d7fcee7bb77c64bbac

addons/portal/controllers/portal.py

@@ -410,6 +410,9 @@ class CustomerPortal(Controller):
         if not isinstance(report_sudo, type(request.env['ir.actions.report'])):
             raise UserError(_("%s is not the reference of a report", report_ref))
 
+        if hasattr(model, 'company_id'):
+            report_sudo = report_sudo.with_company(model.company_id)
+
         method_name = '_render_qweb_%s' % (report_type)
         report = getattr(report_sudo, method_name)([model.id], data={'report_type': report_type})[0]
         reporthttpheaders = [