[clang-tools-extra] [clang-tidy] Fix readability-else-after-return for if statements appear in unbraced switch case labels (PR #181878)

[Berkay Sahin via cfe-commits]

berkaysahiin wrote:

> Would you please resolve the conflicts for the CI to run?

Should be fine now.

https://github.com/llvm/llvm-project/pull/181878