[clang] [clang-format] Fix operator overload inconsistency in `BreakAfterAttributes: Always` (PR #74943)

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XDeme wrote:

One thing that I checked only now, is that with clang-format 16.0.6 and 17.0.6, it formats correctly.
But with `clang-format version 18.0.0 (https://github.com/llvm/llvm-project.git a6c02edd6eac476523b5c73f29619a7a9e054872)` is doens't anymore, so this is a regression introduced recently.

https://github.com/llvm/llvm-project/pull/74943