Update flake.lock and helium; fix fish venv alias

- Bump Firefox addons, home‑manager, nixpkgs, and noctalia-shell
  revisions in flake.lock
- Upgrade helium to 0.17.0.1 (updated hash)
- Adjust fish aliases to source .fish activation scripts

modules/core/packages/appimages/helium.nix

@@ -4,8 +4,8 @@
   fetchurl,
 }: let
   pname = "helium";
-  version = "0.16.6.1";
-  hash = "sha256-T29e5QpXsFYADvSsNcti2LXqLaCUjB5mLYEnHtpxO/Q=";
+  version = "0.17.0.1";
+  hash = "sha256-JmqdEwoXP/2GGAMS2gjAq7G2oWFuyUTr5ouMDhSOcHY=";
 
   src = fetchurl {
     url = "https://github.com/imputnet/helium-linux/releases/download/${version}/helium-${version}-x86_64.AppImage";

modules/home/fish/aliases.nix

@@ -22,8 +22,8 @@
 
     # Development aliases
     ## Django
-    srvenv = "source .venv/bin/activate";
-    "..srvenv" = "source ../.venv/bin/activate";
+    srvenv = "source .venv/bin/activate.fish";
+    "..srvenv" = "source ../.venv/bin/activate.fish";
     uv-add = "uv add -r requirements.txt";
     pm = "uv run manage.py";
     pm-rs = "uv run manage.py runserver";