refactor/optimize e2e test (#3)

how fast i'll go 🏄‍♂️

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Co-authored-by: me <ramvignesh-b@github.com>
Reviewed-on: #3

frontend/playwright.config.ts

@@ -60,7 +60,8 @@ export default defineConfig({
 
   /* Run your local dev server before starting the tests */
   webServer: {
-    command: "npm run dev -- --mode e2e",
+    // NOTE: using npm here for docker compat mainly
+    command: "npm run build -- --mode e2e && npm run preview -- --mode e2e",
     url: getBaseUrl(
       process.env.SSL_ENABLED === "true",
       process.env.FRONTEND_DOMAIN,