nixos: added webcord overlay for wayland ime

nixosModules/default.nix

@@ -1,6 +1,7 @@
 inputs: {
   config,
   pkgs,
+  lib,
   ...
 }: {
   imports = [
@@ -12,4 +13,32 @@ inputs: {
     ./system
     ./user
   ];
+  
+  nixpkgs.overlays = [
+    (final: prev: {
+      webcord = prev.webcord.overrideAttrs (old: {
+        installPhase = let
+          binPath = lib.makeBinPath [pkgs.xdg-utils];
+        in ''
+          runHook preInstall
+
+          # Remove dev deps that aren't necessary for running the app
+          npm prune --omit=dev
+
+          mkdir -p $out/lib/node_modules/webcord
+          cp -r app node_modules sources package.json $out/lib/node_modules/webcord/
+
+          install -Dm644 sources/assets/icons/app.png $out/share/icons/hicolor/256x256/apps/webcord.png
+
+          # Add xdg-utils to path via suffix, per PR #181171
+          makeWrapper '${lib.getExe pkgs.electron}' $out/bin/webcord \
+            --suffix PATH : "${binPath}" \
+            --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations --enable-wayland-ime}}" \
+            --add-flags $out/lib/node_modules/webcord/
+
+          runHook postInstall
+        '';
+      });
+    })
+  ];
 }