✅(CI) add ngnix for the frontend

Because of the Next.js bug with the 404 on the
dynamic routes, we are not able to assert some
behaviors from the e2e tests and the CI.
So we are adding a ngnix to the CI e2e tests
to be able to route correctly our frontend.

src/frontend/apps/e2e/playwright.config.ts

@@ -32,12 +32,10 @@ export default defineConfig({
   },
 
   webServer: {
-    command: `cd ../.. && yarn app:${
-      process.env.CI ? 'start -p ' : 'dev --port '
-    } ${PORT}`,
+    command: !process.env.CI ? `cd ../.. && yarn app:dev --port ${PORT}` : '',
     url: baseURL,
     timeout: 120 * 1000,
-    reuseExistingServer: !process.env.CI,
+    reuseExistingServer: true,
   },
 
   /* Configure projects for major browsers */