Cleanup introduced cluster smelly returns

[M4KIF]

Description

patch for removing smelly returns introduced with cluster sync rewrite.

Key Changes

cluster.go

Testing and Verification

local

Related Issues

PR Checklist

• Code changes adhere to the project's coding standards.
• Relevant unit and integration tests are included.
• Documentation has been updated accordingly.
• All tests pass locally.
• The PR description follows the project's guidelines.

[github-actions]

CLA Assistant Lite bot:
Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you sign our Contribution License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment with the exact sentence copied from below.

---

I have read the CLA Document and I hereby sign the CLA

---

2 out of 5 committers have signed the CLA.
✅ @minjieqiu
✅ @DmytroPI-dev
❌ @mploski
❌ @limak9182
❌ @M4KIF
_{You can retrigger this bot by commenting recheck in this Pull Request}