fix: media search also matches file names

src/Integrations/Media/MediaSearchAbility.php

@@ -208,7 +208,7 @@ final class MediaSearchAbility implements Ability
      */
     private function searchPage(array $args, int $limit, int $offset): array
     {
-        $rows = get_posts(array_merge($args, ['posts_per_page' => $limit + 1, 'offset' => $offset]));
+        $rows = self::query(array_merge($args, ['posts_per_page' => $limit + 1, 'offset' => $offset]));
         $page = Cursor::page(array_values($rows), $limit, $offset);
 
         return [
@@ -230,7 +230,7 @@ final class MediaSearchAbility implements Ability
      */
     private function unusedPage(array $args, int $limit, int $offset): array
     {
-        $candidates = array_values(get_posts(array_merge($args, [
+        $candidates = array_values(self::query(array_merge($args, [
             'posts_per_page' => self::MAX_SCAN + 1,
             'offset' => $offset,
         ])));
@@ -282,4 +282,22 @@ final class MediaSearchAbility implements Ability
     {
         return current_user_can('edit_post', (int) $attachment->ID);
     }
+
+    /**
+     * get_posts() with file-name matching for a search term, as in the media library screen:
+     * WordPress only searches _wp_attached_file when wp_allow_query_attachment_by_filename is
+     * true. WP_Query reads that filter once per query and then calls remove_all_filters() on it
+     * itself, so it applies to this query only.
+     *
+     * @param array<string, mixed> $args
+     * @return array<int|string, mixed>
+     */
+    private static function query(array $args): array
+    {
+        if (isset($args['s'])) {
+            add_filter('wp_allow_query_attachment_by_filename', '__return_true');
+        }
+
+        return get_posts($args);
+    }
 }