Fixed issue #16729: Message has no translation (#1656)

Add dummy file for storing translatable literals only present in twig files

application/helpers/twig_translation_helper.php

@@ -0,0 +1,27 @@
+<?php
+/*
+* LimeSurvey
+* Copyright (C) 2007-2020 The LimeSurvey Project Team / Carsten Schmitz
+* All rights reserved.
+* License: GNU/GPL License v2 or later, see LICENSE.php
+* LimeSurvey is free software. This version may have been modified pursuant
+* to the GNU General Public License, and as distributed it includes or
+* is derivative of works licensed under the GNU General Public License or
+* other free or open source software licenses.
+* See COPYRIGHT.php for copyright notices and details.
+*/
+
+
+/**
+ * Dummy helper intended to facilitate "twig only" strings to be picked by Translations Bot.
+ * 
+ * Since twig files are not scanned by the bot, translatable strings that only appear in twig
+ * files can be placed here in order to be scanned.
+ */
+
+
+function dummy_twig_translation_helper() {
+    return;
+
+    gT("Your survey responses have not been recorded. This survey is not yet active."); // From themes/survey/vanilla/views/subviews/content/submit_preview.twig:23 (2020/11/16)
+}