Merge branch 'MDL-59459_Increase_file_indexing_coverage' of https://github.com/mattporritt/moodle

mod/survey/classes/search/activity.php

@@ -35,6 +35,15 @@ defined('MOODLE_INTERNAL') || die();
  */
 class activity extends \core_search\base_activity {
 
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
     /**
      * Returns recordset containing required data for indexing activities.
      *