[clang] [clang-format] Introduce "ReflowComments: IndentOnly" to re-indent comments without breaking internal structure (think Doxygen). (PR #96804)

[Iuri Chaer via cfe-commits]

ichaer wrote:

Thanks, @mydeveloperday :). That made me realise I had to fix the comments as well, I think they are OK now. Let me know what you think.

https://github.com/llvm/llvm-project/pull/96804