[mirotalksfu] - change leave room icon

public/views/Room.html

@@ -105,7 +105,7 @@
             <button id="chatButton" class="hidden"><i class="fas fa-comments"></i></button>
             <button id="whiteboardButton" class="hidden"><i class="fas fa-chalkboard-teacher"></i></button>
             <button id="settingsButton" class="hidden"><i class="fas fa-cogs"></i></button>
-            <button id="exitButton" class="hidden"><i class="fas fa-phone-slash"></i></button>
+            <button id="exitButton" class="hidden"><i class="fas fa-right-from-bracket"></i></button>
         </div>
 
         <section id="mySettings" class="fadein center hidden">