vscode-with-extensions not showing on rofi mode drun

[eadwu]

Issue description

Rofi doesn't seem to find the application for VSCode even though the .desktop file seems to be there. It shows the command code when running rofi -show run but when running rofi -show drun it doesn't seem it show.

root@x> find / -type f -name "code.desktop"                                                                                                                                  ~
/nix/store/9dj4yhpbc8c9y0gm60nzy44snwlfarjy-vscode-1.23.1/share/applications/code.desktop
/nix/store/645l13nf2y001lms2m7am7ab4vbfaklr-code.desktop/share/applications/code.desktop

Steps to reproduce

configuration.nix

in {
  environment = {
    systemPackages =
    (with pkgs; [
      ...
      vscode
      ...
    ]);
  };
}

rofi -show drun

configuration.nix

in {
  environment = {
    systemPackages =
    (with pkgs; [
      ...
      vscode-with-extensions
      ...
    ]);
  };
}

rofi -show drun

Technical details

[1] root@x> nix-shell -p nix-info --run "nix-info -m"                                                                                                                        ~
these paths will be fetched (0.56 MiB download, 2.75 MiB unpacked):
  /nix/store/9yhr50rvn6sw3i1sky125p0fgyb2fr1r-bash-4.4-p19-man
  /nix/store/fcvnn0gkdlg60z49rbp60dchvnrlg4fr-bash-4.4-p19-dev
  /nix/store/fjazq1b9xkgjamx9g9wxsv0mcix1k2gw-bash-4.4-p19-dev
  /nix/store/l9jc3w9q4wc6yn85yz8bdmjl1d52s05i-bash-4.4-p19-doc
  /nix/store/lv10424kaqa9gxajpmq3qd8iydwqi6cw-bash-4.4-p19-info
copying path '/nix/store/l9jc3w9q4wc6yn85yz8bdmjl1d52s05i-bash-4.4-p19-doc' from 'https://cache.nixos.org'...
copying path '/nix/store/lv10424kaqa9gxajpmq3qd8iydwqi6cw-bash-4.4-p19-info' from 'https://cache.nixos.org'...
copying path '/nix/store/9yhr50rvn6sw3i1sky125p0fgyb2fr1r-bash-4.4-p19-man' from 'https://cache.nixos.org'...
copying path '/nix/store/fcvnn0gkdlg60z49rbp60dchvnrlg4fr-bash-4.4-p19-dev' from 'https://cache.nixos.org'...
copying path '/nix/store/fjazq1b9xkgjamx9g9wxsv0mcix1k2gw-bash-4.4-p19-dev' from 'https://cache.nixos.org'...
 - system: `"x86_64-linux"`
 - host os: `Linux 4.14.43, NixOS, 18.09pre140958.696c6bed4e8 (Jellyfish)`
 - multi-user?: `yes`
 - sandbox: `no`
 - version: `nix-env (Nix) 2.0.2`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixos`