[clang] [clang-format] Add AlignAfterOpenBracketOptions (PR #108332)

[Gedare Bloom via cfe-commits]

gedare wrote:

In light of #144560 I have separated out the handling of the Braced List initializers in a similar way. Although this does not fix the bug, it might provide a workaround by being able to turn off the "block indent" behavior of the braced list initializers separately from functions.

https://github.com/llvm/llvm-project/pull/108332