[mirotalksfu] - avatars improvements

public/views/Room.html

@@ -937,7 +937,7 @@ access to use this app.
 
                     <div id="tabVideoAI" class="tabcontent">
                         <div class="avatarsVideoAI">
-                            <video id="avatarVideoAIPreview"></video>
+                            <video id="avatarVideoAIPreview" poster="../images/loader.gif"></video>
                             <hr />
                             <table class="settingsTable">
                                 <tr id="avatars">