AI Chatbot: Ensure no avatar information is passed to Deep Chat if empty
>>> [!note] Migrated issue
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Reported by: [yannickoo](https://www.drupal.org/user/531118)
Related to !482
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>Currently it is not possible to make the bot and user avatar image URL empty because it will pass an empty <code>avatars</code> object to Deep Chat.</p>
<h4 id="summary-steps-reproduce">Steps to reproduce</h4>
<p>Add a new Deep Chat block and empty the bot and user image paths.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Remove <code>avatars</code> object completely if the image URLs are empty, that would allow to have a version of the chat without any avatars like in iMessage.</p>
issue