Use Hashcode.Combine

[sebastienros]

To replace our own logic

https://learn.microsoft.com/en-us/dotnet/api/system.hashcode.combine?view=net-8.0

[hishamco]

Luckily you reminded me of an old usage of HashCode.Combine() in localization

OrchardCore/src/OrchardCore/OrchardCore.Localization.Abstractions/CultureDictionaryRecordKey.cs

Line 59 in 721f8ad

public override int GetHashCode() => HashCode.Combine(MessageId, Context);