Fixed code smells mentioned by SonarCloud

[PabloCote]

I have addressed the code smells identified in SonarCloud by making several important improvements related to code quality and maintainability.

The primary change involved replacing numerous instances of var with const and let. This adjustment was made for several reasons, with the most significant being that var has function or global scope, which allows it to be accessed outside the block in which it is defined. This can potentially lead to unintended side effects. By utilizing let and const, I have confined the scope of variables to the block in which they are declared, enhancing the clarity and predictability of the code while mitigating the risk of accidental overwrites.

Additionally, I have reduced the complexity of several functions, optimizing them for improved performance.

Finally, I removed redundant parameters from functions that were not being used, further simplifying the code and improving its maintainability.

[CLAassistant]

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