zathura: keep wrapper's WM_CLASS consistent with wrapped binary

pkgs/applications/misc/zathura/core/default.nix

@@ -18,6 +18,8 @@ stdenv.mkDerivation rec {
     sha256 = "1znr3psqda06xklzj8mn452w908llapcg1rj468jwpg0wzv6pxfn";
   };
 
+  outputs = [ "bin" "man" "dev" "out" ];
+
   nativeBuildInputs = [
     meson ninja pkgconfig appstream-glib desktop-file-utils python3.pkgs.sphinx
     gettext makeWrapper libxml2

pkgs/applications/misc/zathura/wrapper.nix

@@ -6,12 +6,12 @@ let
 in symlinkJoin {
   name = "zathura-with-plugins-${zathura_core.version}";
 
-  paths = [ zathura_core ];
+  paths = with zathura_core; [ man dev out ];
 
   buildInputs = [ makeWrapper ];
 
   postBuild = ''
-    wrapProgram $out/bin/zathura \
+    makeWrapper ${zathura_core.bin}/bin/zathura $out/bin/zathura \
       --prefix PATH ":" "${lib.makeBinPath [ file ]}" \
       --add-flags --plugins-dir=${pluginsPath}
   '';