[clang] [clang-format] Fix regression with BlockIndent of Braced Initializers (PR #108717)

[via cfe-commits]

https://github.com/mydeveloperday approved this pull request.

This looks ok to me can we have @owenca or @HazardyKnusperkeks  give it the once over, but I'm good with it.

https://github.com/llvm/llvm-project/pull/108717