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

[Owen Pan via cfe-commits]

================
@@ -9694,6 +9694,304 @@ TEST_F(FormatTest, ParenthesesAndOperandAlignment) {
                Style);
 }
 
+TEST_F(FormatTest, AlignAfterConditionalStatements) {
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owenca wrote:

```suggestion
TEST_F(FormatTest, AlignAfterControlStatements) {
```
Can you move this to a new file if all these new test cases are necessary and can't be shortened?

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