feat(tazjin/emacs): implement run-xdg-app using gio-list-apps tool

Change-Id: I43111dfc7091c416035be563ca7fc17265667b33
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9158
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>

users/tazjin/gio-list-apps/src/main.rs

@@ -10,6 +10,7 @@ fn main() {
                     "{}",
                     json!({
                         "name": app.name().as_str(),
+                        "display_name": app.display_name().as_str(),
                         "commandline": cmd,
                     })
                 );