[clang-tools-extra] [clangd] DefineInline: only trigger on the declaration that has the body (PR #227534)

[Aleksandr Platonov via cfe-commits]

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

LGTM. Before landing this, let's wait a couple of days to make sure no one else has any objections.

https://github.com/llvm/llvm-project/pull/227534