Issue #3336268: Drupal 10 compatibility

src/Plugin/FilefieldSource/Clipboard.php

@@ -58,7 +58,7 @@ class Clipboard implements FilefieldSourceInterface {
 
       $filename = trim($input['filefield_clipboard']['filename']);
       $filename = preg_replace('/\.[a-z0-9]{3,4}$/', '', $filename);
-      $filename = (empty($filename) ? 'paste_' . REQUEST_TIME : $filename) . '.' . $extension;
+      $filename = (empty($filename) ? 'paste_' . \Drupal::time()->getRequestTime() : $filename) . '.' . $extension;
       $filepath = \Drupal::service('file_system')->createFilename($filename, $temporary_directory);
 
       $copy_success = FALSE;