Drag-drop question types don't allow multilang filter

Set-up Enable the multilang filter for content and headings. Install at least one other language, e.g. Russian In a course, go to question bank DD into image Create a new Drag and drop onto image question. Set the question text to: <span lang="en" class="multilang">Guess the color</span><span lang="ru" class="multilang">Угадайте цвет</span> Upload the attached redblue.png as the background image. Let the draggable item 1 of type draggable text be: <span lang="en" class="multilang">red</span><span lang="ru" class="multilang">красный</span> Let the draggable item 2 of type draggable text be: <span lang="en" class="multilang">blue</span><span lang="ru" class="multilang">синий</span> Move both items to an appropriate place on the background (drag with the mouse, or type coordinates left 50, top 100 for item 1, left 50, top 300 for item 2. Verify that the preview just shows the first language text (en) Save changes and continue editing and then preview Cross check in english you see the english question text and labels. Switch language to russian Cross check in russian you see the russian question text and labels. DD markers Please perform a similar test with the drag-drop markers question type. (Detailed steps not given) DD markers Please perform a similar test with the drag-drop into text question type. (Detailed steps not given)