[mob][photos] fix: Invalid value: Valid value range is empty

mobile/lib/ui/tabs/home_widget.dart

@@ -440,7 +440,7 @@ class _HomeWidgetState extends State<HomeWidget> {
     _intentDataStreamSubscription =
         ReceiveSharingIntent.instance.getMediaStream().listen(
       (List<SharedMediaFile> value) {
-        if (value[0].path.contains("albums.ente.io")) {
+        if (value.isNotEmpty && value[0].path.contains("albums.ente.io")) {
           final uri = Uri.parse(value[0].path);
           _handlePublicAlbumLink(uri);
           return;