Update UUID

lib/zoom_view.dart

@@ -64,7 +64,7 @@ class ZoomView extends ZoomPlatform {
     optionMap.putIfAbsent("viewOptions", () => options.viewOptions);
     optionMap.putIfAbsent("noAudio", () => options.noAudio);
     optionMap.putIfAbsent("zoomAccessToken",()=>options.zoomAccessToken);
-
+    optionMap.putIfAbsent("jwtSignature",()=>options.jwtSignature);
     return await channel
         .invokeMethod<bool>('join', optionMap)
         .then<bool>((bool? value) => value ?? false);