[clang-tools-extra] Add refactoring tool to convert between ternary (?:) expressions and equivalent if/else statements (PR #166822)

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DheerajAgarwal1234 wrote:

That’s a good observation, I went with modernize mainly because the last round of feedback suggested following the transformation-based checks model.
Looks like whichever folder I choose, I’ll still manage to be in the wrong one

https://github.com/llvm/llvm-project/pull/166822