nixos-mod/improvedDef: add firefox

configures automatically:
- Pipewire Support
- XDG portal file picker (e.g. uses KDE picker on Plasma)
- XInput2

nix/nixos-modules/improvedDefaults/default.nix

@@ -11,6 +11,7 @@ in
 
   imports = [
     ./command-not-found.nix
+    ./firefox.nix
     ./powertop-tlp.nix
     ./sshAuthorize.nix
     ./wayland.nix

nix/nixos-modules/improvedDefaults/firefox.nix

@@ -0,0 +1,36 @@
+{ config
+, lib
+, pkgs
+, ...
+}:
+let
+  cfg = config.x-banananetwork.improvedDefaults;
+  fx = config.programs.firefox;
+in
+{
+
+  config = lib.mkIf (cfg.enable && fx.enable) {
+
+
+    # TODO only on touchscreen / wayland
+    environment.sessionVariables = {
+      MOZ_USE_XINPUT2 = "1";
+    };
+
+
+    programs.firefox = {
+
+      preferences = {
+        "widget.use-xdg-desktop-portal.file-picker" = lib.mkIf config.xdg.portal.enable true;
+      };
+
+      wrapperConfig = {
+        pipewireSupport = lib.mkIf config.services.pipewire.enable true;
+      };
+
+    };
+
+
+  };
+
+}