[clang-tools-extra] [clang-tidy] bugprone-implicit-widening ignores const exprs that fit (PR #98352)

[Piotr Zegar via cfe-commits]

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

I will merge this, as change looks fine at first glance. Any new fixes/changes please push in separate review.

https://github.com/llvm/llvm-project/pull/98352