[mirotalksfu] - add screen share before join + update dep

public/css/Room.css

@@ -212,7 +212,9 @@ body {
 
 #initAudioButton,
 #initVideoButton,
-#initAudioVideoButton {
+#initAudioVideoButton,
+#initStartScreenButton,
+#initStopScreenButton {
     font-size: 1.2rem;
     padding: 10px;
     border: var(--border);