vsmartcard-vpcd: add missing wrapPythonPrograms

Fixes this issue:

  $ vicc
  Traceback (most recent call last):
    File "/run/current-system/sw/bin/vicc", line 116, in <module>
      from virtualsmartcard.VirtualSmartcard import VirtualICC
  ModuleNotFoundError: No module named 'virtualsmartcard'

pkgs/by-name/vs/vsmartcard-vpcd/package.nix

@@ -8,6 +8,7 @@
   pcsclite,
   qrencode,
   python3,
+  python3Packages,
   help2man,
 }:
 
@@ -28,6 +29,7 @@ stdenv.mkDerivation (finalAttrs: {
     autoreconfHook
     libtool
     pkg-config
+    python3Packages.wrapPython
     help2man
   ];
 
@@ -47,6 +49,10 @@ stdenv.mkDerivation (finalAttrs: {
 
   configureFlags = lib.optional stdenv.hostPlatform.isDarwin "--enable-infoplist";
 
+  postFixup = ''
+    wrapPythonPrograms
+  '';
+
   meta = {
     description = "Emulates a smart card and makes it accessible through PC/SC";
     homepage = "http://frankmorgner.github.io/vsmartcard/virtualsmartcard/README.html";