FIX #20391 TIME 0 fix for php 8

src/app/resource/controllers/IndexingController.php

@@ -260,7 +260,7 @@ class IndexingController
             }
             $delay = $priority['delays'];
         }
-        if (Validator::boolType()->notEmpty()->validate($queryParams['today'])) {
+        if (Validator::boolType()->notEmpty()->validate($queryParams['today'] ?? false)) {
             $delay = 0;
         }
         if (!Validator::intVal()->validate($delay)) {