programs: Install mkvtoolnix-gui if gui is enabled

users/simon/modules/programs.nix

@@ -114,7 +114,6 @@ in
     # audio and video
     ffmpeg-full # A/V multitool
     mediainfo # show information about media files
-    mkvtoolnix-cli # matroska (de-)muxing
     streamlink # video stream downloader
     waifu2x-converter-cpp # super-resolution for anime-style images
     waifu2x-photo # waifu2x-converter-cpp for real life photos
@@ -140,6 +139,8 @@ in
     # documents
     mupdf # document (pdf) viewer and tools
     poppler_utils # pdf manipulation tools
+  ] ++ lib.optionals (!nixosConfig.sbruder.gui.enable) [
+    mkvtoolnix-cli # matroska (de-)muxing
   ] ++ lib.optionals nixosConfig.sbruder.gui.enable [
     # communication
     claws-mail # email client that looks ugly but just works
@@ -160,6 +161,7 @@ in
 
     # audio and video
     libbluray # includes command line tools
+    mkvtoolnix # matroska (de-)muxing with gui
     wf-recorder # wlroots screen recorder
 
     # documents