[mirotalksfu] - add room snapshot button, update dep

public/views/Room.html

@@ -172,6 +172,7 @@ access to use this app.
             <button id="pollButton" class="hidden"><i class="fas fa-square-poll-horizontal"></i></button>
             <button id="transcriptionButton" class="hidden"><i class="fas fa-closed-captioning"></i></button>
             <button id="whiteboardButton" class="hidden"><i class="fas fa-chalkboard-teacher"></i></button>
+            <button id="snapshotRoomButton" class="hidden"><i class="fas fas fa-camera-retro"></i></button>
             <button id="settingsButton" class="hidden"><i class="fas fa-cogs"></i></button>
             <button id="aboutButton" class="hidden"><i class="fas fa-question"></i></button>
             <!-- <button id="restartICE" class="hidden"><i class="fas fa-satellite-dish"></i></button> -->