[clang] [Lifetime Safety] Highlight lifetimebound calls in alias chain diagnostics (PR #206337)

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NeKon69 wrote:

> > Can you remove all of the logic for implicit/explicit attributes? I think it would be better to do that in a separate PR since this one is already big enough.
> 
> Fine, i will do it. Just wanted to confirm if you are suggesting to remove the inferred part ? 

You don't have to 'remove' inferred spelling, what I meant is that ideally we would have a shared diagnostic for both implicit and explicit attribute spellings. (without mentioning whether the attribute is implicitly placed there or explicitly)

https://github.com/llvm/llvm-project/pull/206337