[clang] [clang-format] Add option AllowShortRecordOnASingleLine (PR #154580)

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=?utf-8?q?Tom=C3=A1=C5=A1?= Slanina <itzexpoexpo at gmail.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/154580 at github.com>


owenca wrote:

It seems that `SRS_Always` doesn't work as expected.

Config:
```
AllowShortRecordOnASingleLine: Always
BreakBeforeBraces: Custom
BraceWrapping:
  AfterClass: true
```

Expected:
```c++
class foo
{
};
```

Actual:
```c++
class foo {
};
```

https://github.com/llvm/llvm-project/pull/154580