Make all node packages available at the top level via their real name/version

Signed-off-by: Shea Levy <[e-mail]>

pkgs/top-level/node-packages.nix

···
             else [];
         in depsOr;
       all = pkgs.lib.fold (pkg: { top-level, full }: {
-        top-level = top-level ++ pkgs.lib.optional pkg.topLevel {
+        top-level = top-level ++ [ {
+          name = "${pkg.name}-${pkg.version}";
+          value = builtins.getAttr pkg.spec (builtins.getAttr pkg.name self.full);
+        } ] ++ pkgs.lib.optional pkg.topLevel {
           name = pkg.name;
           value = builtins.getAttr pkg.spec (builtins.getAttr pkg.name self.full);
         };