pulseaudio-dlna: ensure pactl is available

pulseaudio-dlna shells out to pactl to configure sinks and sources.
As pactl might not be in $PATH, add --suffix it (so pactl configured by the
user get priority)

pkgs/applications/audio/pulseaudio-dlna/default.nix

@@ -13,6 +13,7 @@
 , sox
 , vorbisSupport ? true
 , vorbis-tools
+, pulseaudio
 }:
 
 python3Packages.buildPythonApplication {
@@ -54,6 +55,11 @@ python3Packages.buildPythonApplication {
   ++ lib.optional soxSupport sox
   ++ lib.optional vorbisSupport vorbis-tools;
 
+  # pulseaudio-dlna shells out to pactl to configure sinks and sources.
+  # As pactl might not be in $PATH, add --suffix it (so pactl configured by the
+  # user get priority)
+  makeWrapperArgs = [ "--suffix PATH : ${lib.makeBinPath [ pulseaudio ]}" ];
+
   # upstream has no tests
   checkPhase = ''
     $out/bin/pulseaudio-dlna --help > /dev/null