fix: cluster note nil ptr and no rows err fix

[gireesh-naidu]

Description

Fixes #

Checklist:

• [ ] The title of the PR states what changed and the related issues number (used for the release note).
• [ ] Does this PR requires documentation updates?
• [ ] I've updated documentation as required by this PR.
• [ ] I have performed a self-review of my own code.
• [ ] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have tested it for all user roles.
• [ ] I have added all the required unit/api test cases.

Does this PR introduce a user-facing change?

[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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