[clang-tools-extra] [clang-tid]fix modernize-use-auto incorrect fix hints for pointer (PR #77943)

[Piotr Zegar via cfe-commits]

https://github.com/PiotrZSL requested changes to this pull request.

Missing tests for arrays and function pointers to confirm that fix work.
+ some nits or possible improvments

https://github.com/llvm/llvm-project/pull/77943