rustdesk-flutter: explicitly use fuse3

`rustdesk-flutter` supports `fuse3` so there is no reason to rely on the older
`fuse2`. This allows the package to be used on systems which have a filesystem
that is not supported by the older `fuse2`.

Note, `fuse` currently defaults to `fuse2`.

pkgs/by-name/ru/rustdesk-flutter/package.nix

@@ -5,7 +5,7 @@
 , fetchFromGitHub
 , flutter316
 , gst_all_1
-, fuse
+, fuse3
 , libXtst
 , libaom
 , libopus
@@ -127,7 +127,7 @@ in flutter316.buildFlutterApplication rec {
   ];
 
   buildInputs = [
-    fuse
+    fuse3
     gst_all_1.gst-plugins-base
     gst_all_1.gstreamer
     libXtst