After-merge changes

Author: alex-kulakov

Orm/Xtensive.Orm/Tuples/Packed/TupleLayout.cs

@@ -74,10 +74,8 @@ private static ValueFieldAccessor ResolveByType(Type type)
           ReferenceEquals(type, WellKnownTypes.Decimal) ? DecimalAccessor :
           ReferenceEquals(type, WellKnownTypes.Single) ? SingleAccessor :
           ReferenceEquals(type, WellKnownTypes.DateTimeOffset) ? DateTimeOffsetAccessor :
-#if NET6_0_OR_GREATER
           ReferenceEquals(type, WellKnownTypes.DateOnly) ? DateOnlyAccessor :
           ReferenceEquals(type, WellKnownTypes.TimeOnly) ? TimeOnlyAccessor :
-#endif
           ReferenceEquals(type, WellKnownTypes.Int16) ? Int16Accessor :
           ReferenceEquals(type, WellKnownTypes.Byte) ? ByteAccessor :
           ReferenceEquals(type, WellKnownTypes.SByte) ? SByteAccessor :
@@ -97,10 +95,8 @@ private static ValueFieldAccessor ResolveByNullableType(Type type)
           ReferenceEquals(type, WellKnownTypes.NullableTimeSpan) ? TimeSpanAccessor :
           ReferenceEquals(type, WellKnownTypes.NullableDateTimeOffset) ? DateTimeOffsetAccessor :
           ReferenceEquals(type, WellKnownTypes.NullableSingle) ? SingleAccessor :
-#if NET6_0_OR_GREATER
           ReferenceEquals(type, WellKnownTypes.NullableDateOnly) ? DateOnlyAccessor :
           ReferenceEquals(type, WellKnownTypes.NullableTimeOnly) ? TimeOnlyAccessor :
-#endif
           ReferenceEquals(type, WellKnownTypes.NullableGuid) ? GuidAccessor :
           ReferenceEquals(type, WellKnownTypes.NullableInt16) ? Int16Accessor :
           ReferenceEquals(type, WellKnownTypes.NullableByte) ? ByteAccessor :