Fix: Add favicon.ico to Admin Vite config input

The Super Admin layout references 'images/favicon.ico' via vite()->asset().
This file must be explicitly listed in the input array to be included in the
manifest, preventing a 500 error on the Super Admin login page.

packages/Webkul/Admin/vite.config.mjs

@@ -34,6 +34,7 @@ export default defineConfig(({ mode }) => {
                     "src/Resources/assets/js/chart.js",
                     "src/Resources/assets/images/logo.svg",
                     "src/Resources/assets/images/dark-logo.svg",
+                    "src/Resources/assets/images/favicon.ico",
                 ],
                 refresh: true,
             }),