[mirotalksfu] - add new voice cmd, improve emoji UI

public/view/Room.html

@@ -331,9 +331,6 @@ access to use this app.
                         type="text"
                         placeholder="💬 Enter your message..."
                     />
-                    <button id="chatCloseEmojiButton" class="hidden">
-                        <i class="fas fa-times"></i>
-                    </button>
                     <button id="chatEmojiButton" class="hidden">
                         <i class="fas fa-smile"></i>
                     </button>