fix: add React on Rails pack generation to Lint CI workflow

- Add bundle exec rails react_on_rails:generate_packs step to Lint CI
- Resolves ESLint import/no-unresolved error for server-bundle-generated.js
- Required for linting to find generated component registration files

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: ihabadham

.github/workflows/lint_test.yml

@@ -43,5 +43,8 @@ jobs:
       - name: Build i18n libraries
         run: bundle exec rake react_on_rails:locale
 
+      - name: Generate React on Rails packs
+        run: bundle exec rails react_on_rails:generate_packs
+
       - name: Run lint
         run: bundle exec rake lint