[FIX] ir_model_access: missing flush() before SQL query

X-original-commit: ba1d04ac8a23a2f3cfad7f332dab96f7e460eb53

odoo/addons/base/models/ir_model.py

@@ -1534,6 +1534,8 @@ class IrModelAccess(models.Model):
         if model not in self.env:
             _logger.error('Missing model %s', model)
 
+        self.flush(self._fields)
+
         # We check if a specific rule exists
         self._cr.execute("""SELECT MAX(CASE WHEN perm_{mode} THEN 1 ELSE 0 END)
                               FROM ir_model_access a