[QCDP24-30] fix popup for markdown (#14)

ckanext/datarequests/templates/datarequests/snippets/comment_form.html

@@ -22,7 +22,7 @@
   <div class="control-full control-large control-group {{ 'error' if errors and errors.get('Comment') and focus }} editor">
     {% set markdown_tooltip = "<pre><p>__Bold text__ or _italic text_</p><p># title<br>## secondary title<br>### etc</p><p>* list<br>* of<br>* items</p><p>http://auto.link.ed/</p></pre><p><b><a href='http://daringfireball.net/projects/markdown/syntax' target='_blank'>Full markdown syntax</a></b></p><p class='muted'><b>Please note:</b> HTML tags are stripped out for security reasons</p>" %}
     <textarea class="form-control" name="comment" cols="20" rows="3" placeholder="{{ _('Add a new Comment') if not comment_id }}">{{ initial_text }}</textarea>
-    <span class="editor-info-block">{% trans %}You can use <a href="#markdown" title="Markdown quick reference" data-target="popover" data-content="{{ markdown_tooltip }}" data-html="true">Markdown formatting</a> here. You can refer datasets by adding their URL.{% endtrans %}</span>
+    <span class="editor-info-block">{% trans %}You can use <a href="#markdown" title="Markdown quick reference" data-bs-toggle="popover" data-bs-content="{{ markdown_tooltip }}" data-bs-original-title="Markdown quick reference" data-bs-html="true">Markdown formatting</a> here. You can refer datasets by adding their URL.{% endtrans %}</span>
   </div>
 
   {% if g.recaptcha_publickey %}