[clang-tools-extra] [clang-tidy][modernize-use-using]fix function pointer typedef correctly (PR #65558)

[Piotr Zegar via cfe-commits]

https://github.com/PiotrZSL approved this pull request.

LGTM,

This is weird issues because it always happen when two typedefs are one after other.
I would personally thing more that LastReplacementEnd is to big, not too small.
But if tests check this properly, then I'm fine with it.

https://github.com/llvm/llvm-project/pull/65558