Merge remote-tracking branch 'origin/netcore/netcore' into feature/8651-config-options-patten

Signed-off-by: Bjarke Berg <mail@bergmania.dk>

src/Umbraco.Infrastructure/Persistence/Repositories/Implement/LanguageRepository.cs

@@ -42,7 +42,7 @@ namespace Umbraco.Core.Persistence.Repositories.Implement
 
         protected override ILanguage PerformGet(int id)
         {
-            throw new NotSupportedException(); // not required since policy is full dataset
+            return PerformGetAll(id).FirstOrDefault();
         }
 
         protected override IEnumerable<ILanguage> PerformGetAll(params int[] ids)