Port "Narrow types by typeof operands with extra parenthesis"

[Andarist]

ports microsoft/TypeScript#60928

[Copilot]

Pull Request Overview

This PR ports changes from a TypeScript pull request to improve the handling of extra parentheses in narrowing type checks.

• Updates expected outputs in test baselines for narrowing types when extra parentheses are used.
• Modifies operand evaluation in the binder to use ast.SkipParentheses, ensuring consistency in narrowing binary expressions.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
testdata/baselines/reference/submodule/compiler/narrowingTypeofParenthesized1.types.diff	Adjusts expected diff output to reflect updated narrowing type behavior.
testdata/baselines/reference/submodule/compiler/narrowingTypeofParenthesized1.types	Updates test baseline results to align with new narrowing outcomes.
internal/binder/binder.go	Refines narrowing operand evaluation by stripping extra parentheses using ast.SkipParentheses.