[mirotalksfu] - fix lobby display

public/views/Room.html

@@ -1077,7 +1077,7 @@ access to use this app.
 
         <div id="transcriptionPopup" class="transcriptio-popup"></div>
 
-        <section id="lobby" class="fadein center hidden">
+        <section id="lobby" class="fadein center">
             <header id="lobbyHeader" class="lobby-header">
                 <div id="lobbyHeaderTitle" class="lobby-header-title">Lobby users</div>
             </header>