Multi tenancy with rbac should behave similar to MT in case of non ex…

…istent object

Change-Id: I000a973ed85b5d09d726830cda41a00d0b4e398e
Closes-Bug: #1530104

src/config/api-server/vnc_perms.py

@@ -76,7 +76,7 @@ def validate_perms_rbac(self, request, obj_uuid, mode=PERMS_R):
         try:
             perms2 = self._server_mgr._db_conn.uuid_to_obj_perms2(obj_uuid)
         except NoIdError:
-            return (False, err_msg)
+            return (True, '')
 
         user, roles = self.get_user_roles(request)
         is_admin = 'admin' in [x.lower() for x in roles]