Update Helium to 0.14.6.1

Rename the noctalia module to noctalia-shell and update references in
the home configuration.

modules/home/noctalia-shell/default.nix

@@ -0,0 +1,19 @@
+{
+  # lib,
+  inputs,
+  system,
+  ...
+}: {
+  programs.noctalia-shell = {
+    enable = true;
+    package = inputs.noctalia.packages.${system}.default.override {
+      calendarSupport = true;
+    };
+    # settings.settingsVersion = lib.mkForce 46;
+  };
+
+  imports = [
+    ./settings
+    ./plugins.nix
+  ];
+}