chore: build lab locally in tests (#493)

.github/workflows/pr_checks.yml

@@ -39,9 +39,9 @@ jobs:
   ui-test:
     needs: preview
     with:
-      base-url: https://lab.web3modal.com/
+      base-url: http://localhost:3000/
       wallet-url: ${{ needs.preview.outputs.preview-url }}/
-      skip-playwright-webserver: true
+      skip-playwright-webserver: false
       branch: V4
       command: playwright:test:wallet
     uses: WalletConnect/web3modal/.github/workflows/ui_tests.yml@V4