only take action if there are screenshots

.github/workflows/actions/test-e2e/action.yml

@@ -55,10 +55,8 @@ runs:
         npx playwright test --shard=${{ inputs.shard }}/${{ inputs.totalShards }} --update-snapshots
         git add src/\*.png --force
         mkdir updated-screenshots
-        echo 'made dir'
         rsync -R --progress $(git diff --name-only --cached) updated-screenshots
-        echo 'copied images'
-        if [ -d updated-screenshots ]; then
+        if [ "$(ls -A updated-screenshots)" ]; then
           echo "hasUpdatedScreenshots=$(echo 'true')" >> $GITHUB_OUTPUT
           cd updated-screenshots
           ls