fix: remove incorrect VITE_ prefix from env vars in playwright config

Astro uses PUBLIC_ for client-side vars, not VITE_. Server-side code
reads env vars without any prefix via import.meta.env[key], so the
test env vars must match.

Author: mridang

playwright.config.ts

@@ -2,15 +2,14 @@ import { defineConfig, devices } from '@playwright/test';
 
 const testEnv = {
   NODE_ENV: 'test',
-  VITE_PORT: '3000',
-  VITE_SESSION_SECRET: 'test-session-secret-for-e2e-tests-only',
-  VITE_SESSION_DURATION: '3600',
-  VITE_ZITADEL_DOMAIN: 'https://test.zitadel.cloud',
-  VITE_ZITADEL_CLIENT_ID: 'test-client-id',
-  VITE_ZITADEL_CLIENT_SECRET: 'test-client-secret',
-  VITE_ZITADEL_CALLBACK_URL: 'http://localhost:3000/auth/callback',
-  VITE_ZITADEL_POST_LOGOUT_URL:
-    'http://localhost:3000/api/auth/logout/callback',
+  PORT: '3000',
+  SESSION_SECRET: 'test-session-secret-for-e2e-tests-only',
+  SESSION_DURATION: '3600',
+  ZITADEL_DOMAIN: 'https://test.zitadel.cloud',
+  ZITADEL_CLIENT_ID: 'test-client-id',
+  ZITADEL_CLIENT_SECRET: 'test-client-secret',
+  ZITADEL_CALLBACK_URL: 'http://localhost:3000/api/auth/callback/zitadel',
+  ZITADEL_POST_LOGOUT_URL: 'http://localhost:3000/api/auth/logout/callback',
 };
 
 // noinspection JSUnusedGlobalSymbols