bug#63141: Incorrect indentation in csharp-mode

[Eli Zaretskii]

> From: Jen-Chieh Shen <jcs090218@gmail.com>
> Date: Fri, 28 Apr 2023 12:26:00 -0700
> Cc: Eli Zaretskii <eliz@gnu.org>, 63141@debbugs.gnu.org, jostein@kjonigsen.net
> 
> Another indentation issue:
> 
> ```csharp
> 
> namespace UnityEditor.Accessibility
> {
>     internal enum ColorBlindCondition
>         {
>             Default,
>             Deuteranopia,
>             Protanopia,
>             Tritanopia,
>         }
> }
> ```
> 
> expected behavior:
> 
> ```csharp
> namespace UnityEditor.Accessibility
> {
>     internal enum ColorBlindCondition
>     {
>         Default,
>         Deuteranopia,
>         Protanopia,
>         Tritanopia,
>     }
> }
> ```
> 
> Not sure if this is a feature or a bug.

Isn't this user preference that is customizable via c-offset-alist?