[clang-tools-extra] [clangd] Show alignment for records and fields decls (PR #67213)

[Younan Zhang via cfe-commits]

zyn0217 wrote:

Thank you @Endilll for the explanation. The remaining part looks good; @sr-tream Do you have access to land the PR? If not, I'm glad to help you. :)

https://github.com/llvm/llvm-project/pull/67213