[clang-tools-extra] [clang-doc]: Enable horizontal wrapping on longer function definitions (PR #181417)

[Erick Velez via cfe-commits]

evelez7 wrote:

Also the commit message is very long with details that don't belong in the commit history. Could you please trim it down to the important details regarding this potential feature and use a comment for questions/concerns?

https://github.com/llvm/llvm-project/pull/181417