templates: limit cart@ds accepted files to PDF and JPEG (#37010)

templates/qommon/forms/widgets/includes/cartads-piece.html

@@ -7,7 +7,7 @@
   <div class="file-upload-widget short {{ grid }} {% if file.token %}has-file{% endif %}">
   <div class="file-button">
     <input type="file" data-url="{{ file.url }}"
-       {% if not piece.codePiece %}accept="application/pdf"{% endif %}>
+       {% if piece.codePiece %}accept="application/pdf,image/jpeg"{% else %}accept="application/pdf"{% endif %}>
     <input type="hidden" value="{{ file.token }}">
     <div class="widget-message click-to-upload">
      {% trans "Drop a file or click to select one" %}