Fix npm workflow to handle existing releases gracefully

- Change release existence check from \!= 'true' to == 'false' for clarity
- Add warning messages when releases already exist
- Improve logging to show what actions are being taken or skipped

Author: shankar-gpio

.github/workflows/npm-release-reusable.yml

@@ -160,16 +160,16 @@ jobs:
         run: |
           if gh release view "v${{ steps.get_version.outputs.version }}" --repo ${{ inputs.repository }} >/dev/null 2>&1; then
             echo "exists=true" >> $GITHUB_OUTPUT
-            echo "Release v${{ steps.get_version.outputs.version }} already exists"
+            echo "::warning::Release v${{ steps.get_version.outputs.version }} already exists - skipping release creation"
           else
             echo "exists=false" >> $GITHUB_OUTPUT
-            echo "Release v${{ steps.get_version.outputs.version }} does not exist"
+            echo "Release v${{ steps.get_version.outputs.version }} does not exist - will create new release"
           fi
         env:
           GH_TOKEN: ${{ secrets.GH_PAT }}
 
       - name: Create GitHub Release
-        if: ${{ !inputs.dry-run && steps.check_release.outputs.exists != 'true' }}
+        if: ${{ !inputs.dry-run && steps.check_release.outputs.exists == 'false' }}
         uses: actions/create-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GH_PAT }}