Enable result stacktraces in release mode (#305)

Originally I did not enable because "stack traces are expensive to
retrieve", but let's be honest, who cares, this is a Discord bot,
there's no such thing as "good performance"

src/Extensions/ResultExtensions.cs

@@ -21,7 +21,6 @@ public static Result FromError<T>(Result<T> result)
         return casted;
     }
 
-    [Conditional("DEBUG")]
     private static void LogResultStackTrace(Result result)
     {
         if (Octobot.StaticLogger is null || result.IsSuccess)