feat: email conflict tip in widget login

src/index-widget.tsx

@@ -6,6 +6,7 @@ import './assets/index.css';
 import store from "./app/store";
 import './i18n';
 import { isDarkMode } from "./common/utils";
+import { Toaster } from "react-hot-toast";
 
 const root = ReactDOM.createRoot(document.getElementById("root") as HTMLElement);
 const hostId = new URLSearchParams(location.search).get("host") || 1;
@@ -18,6 +19,9 @@ if (isDarkMode()) {
 root.render(
   hostId ? <Provider store={store}>
     <WidgetProvider>
+      <Toaster toastOptions={{
+        className: "dark:!bg-gray-800 dark:!text-gray-50"
+      }} />
       <Widget hostId={Number(hostId)} />
     </WidgetProvider>
   </Provider> : null