[mirotalksfu] - improve chat emoji picker

public/view/Room.html

@@ -333,6 +333,9 @@ 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>