works again, mostly done, now we can start with server

modules/apps/video/default.nix

@@ -16,11 +16,32 @@
   };
 
   config = {
-    environment.systemPackages = with pkgs; [
-      (lib.mkIf (apps.video.base.enable) mpv)
-      (lib.mkIf (apps.video.editing.enable) kdePackages.kdenlive)
-      (lib.mkIf (apps.video.media.enable) jellyfin-desktop)
-      (lib.mkIf (apps.video.media.enable) pipeline)
-    ];
+    environment.systemPackages =
+      with pkgs;
+      [ ]
+      ++ (
+        if config.apps.video.base.enable then
+
+          [ mpv ]
+        else
+          [ ]
+      )
+      ++ (
+        if config.apps.video.editing.enable then
+
+          [ kdePackages.kdenlive ]
+        else
+          [ ]
+      )
+      ++ (
+        if config.apps.video.media.enable then
+
+          [
+            jellyfin-desktop
+            pipeline
+          ]
+        else
+          [ ]
+      );
   };
 }