[clang-tools-extra] [clang-tidy] Improved modernize-use-using by fixing a false-negative (PR #82947)

[Félix-Antoine Constantin via cfe-commits]

felix642 wrote:

Thank you for the quick review @PiotrZSL. I've implemented the proposed changes and rebased on top of main. We can wait a few days to see if someone else has some comments to add and then we should be ready to merge 

https://github.com/llvm/llvm-project/pull/82947