prefer using providers conf from supabase instead of env

app/auth/sign-in/page.tsx

@@ -1,4 +1,4 @@
-import { pathsConfig, authConfig } from '@kit/shared/config';
+import { getServerAuthConfig, pathsConfig } from '@kit/shared/config';
 
 import { createI18nServerInstance } from '~/lib/i18n/i18n.server';
 import { withI18n } from '~/lib/i18n/with-i18n';
@@ -24,11 +24,23 @@ async function SignInPage({ searchParams }: SignInPageProps) {
   const { invite_token: inviteToken, next: returnPath = pathsConfig.app.home } =
     await searchParams;
 
+  const authConfig = await getServerAuthConfig();
+
   if (authConfig.providers.password) {
-    return <PasswordOption inviteToken={inviteToken} returnPath={returnPath} />;
+    return (
+      <PasswordOption
+        inviteToken={inviteToken}
+        returnPath={returnPath}
+        providers={authConfig.providers}
+      />
+    );
   }
 
-  return <SignInPageClientRedirect />;
+  if (authConfig.providers.oAuth.includes('keycloak')) {
+    return <SignInPageClientRedirect />;
+  }
+
+  return null;
 }
 
 export default withI18n(SignInPage);