[chore] Reduce code smells reported by Sonarcloud

[tinesoft]

Is your feature request related to a problem? Please describe

https://sonarcloud.io/project/issues?resolved=false&types=CODE_SMELL&id=tinesoft_nxrocks has reported some code smells that can be easily fixed

Describe the idea you'd like

• Navigate above link and fix code smells reported
• Create a separate commit for each type of code smell you fix
• Describe each commit, using the following message convention: chore: fix code smells : <BRIEF TITLE OF THE CODE SMELL>, so we can better understand the changes in the commit and keep track of what was fixed

Describe alternatives you've considered

No response

Additional context

No response