[flang-commits] [flang] [flang][OpenMP][NFC] Outline `genOpWithBody` & `createBodyOfOp` args (PR #80817)

[Kareem Ergawy via flang-commits]

ergawy wrote:

> +1 we could do something like this for the time being [7006b90](https://github.com/llvm/llvm-project/commit/7006b90a064ca5502c5f55f227f4f90d116dbb7b)

I think the PR now aligns with the linked change. Let me know if I missed something.

https://github.com/llvm/llvm-project/pull/80817