VIA-474 AS Update snapshot tests to use cross-browser config

Author: anoop-surej-nhs

.github/workflows/stage-7-snapshot-test.yaml

@@ -48,7 +48,7 @@ jobs:
 
       - name: "Run Playwright snapshot tests (no update)"
         run: |
-          npm run e2e:snapshot
+          npm run e2e:snapshot -- --config=playwright.config.cross-browser.ts
 
       - name: "Upload snapshots to S3 bucket with tag ${{ github.ref_name }}"
         if: failure()