[clang-tools-extra] [clang-tidy] Ignore implicit casts with errors in bugprone-implicit-widening-of-multiplication-result (PR #92025)

[Piotr Zegar via cfe-commits]

PiotrZSL wrote:

Not adding release notes & tests, as this is issue happen only when asserts are enabled and input is invalid.
Fix created only to improve diagnostic for end user (errors instead of crash) in this particular case.

https://github.com/llvm/llvm-project/pull/92025