Fix failing search in filelist

To be removed after bug is fixed in ext:media

public/typo3conf/ext/ep_theme/Configuration/TCA/Overrides/sys_file.php

@@ -0,0 +1,10 @@
+<?php
+if (!defined('TYPO3_MODE')) die ('Access denied.');
+
+$tca = [
+    'ctrl' => [
+        'default_sortby' => 'name DESC'
+    ],
+];
+
+\TYPO3\CMS\Core\Utility\ArrayUtility::mergeRecursiveWithOverrule($GLOBALS['TCA']['sys_file'], $tca);

public/typo3conf/ext/ep_theme/ext_emconf.php

@@ -14,7 +14,9 @@ $EM_CONF[$_EXTKEY] = [
     'clearCacheOnLoad' => 0,
     'version' => '1.1.0',
     'constraints' => [
-        'depends' => [],
+        'depends' => [
+            'media' => '*'
+        ],
         'conflicts' => [],
         'suggests' => []
     ],