[FEATURE]: Provide a encloseInParenthesis helper function

[vil1]

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Category of feature request

Transpile

Problem statement

We need a reusable way to enclose a bit of generated code in parenthesis

Proposed Solution

In CodeGenerator, add a function looking like

def encloseInParenthesis(codeGen: Transformation[String]): Transformation[String] = 
  codeGen.map{ c =>
     if (c.startsWith("(") && c.endsWith(")")) c
    else "(" + c + ")"
 }

and make sure it is used whenever we need to ensure a chunk of generated code needs to be enclosed in parenthesis

Additional Context

No response