🐛 Fixed condition for thumbs down reaction

- Replaced the direct comparison of review outcome with 'failure' to a call to failure() function
- This change ensures that the thumbs down reaction is added correctly when something goes wrong in the workflow

.github/workflows/ai-code-review.yml

@@ -97,7 +97,7 @@ jobs:
           log_level: "DEBUG"
 
       - name: Add thumbs down reaction if something went wrong
-        if: steps.review.outcome == 'failure'
+        if: failure()
         run: gh api graphql --silent --raw-field query="mutation AddReaction {addReaction(input:{subjectId:\"$NODE_ID\",content:THUMBS_DOWN}){reaction{content}subject{id}}}"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}