Ensure browser test result download is non-blocking

- Added 'continue-on-error: true' to the download step in 'browser-test-results'.
- This prevents downstream processing failures if the browser test job didn't produce artifacts (e.g. due to filtering or infra errors).

Author: Awallky

.github/workflows/main.yaml

@@ -922,6 +922,7 @@ jobs:
         shell: bash
       - name: Download Test Results
         uses: actions/download-artifact@v5
+        continue-on-error: true
         with:
           pattern: ${{ env.TEST_RESULTS_KEY }}
           path: results/