[clang-tools-extra] create new clang-tidy check to add namespaces to symbol references (PR #70621)

[Piotr Zegar via cfe-commits]

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

Bump. Please rebase.
And please remove unnecessary diagnostic, its makes harder to understand what is part of a check, and what isn't

https://github.com/llvm/llvm-project/pull/70621