Array of nullable type do not set Nullable=true in generated open api

[worming004]

As this test expose worming004@3506ff1

[Theory]
[InlineData(typeof(int?[]), "integer", "int32", true)]
public void GenerateSchema_GeneratesArraySchema_IfEnumerableType(
    Type type,
    string expectedItemsType,
    string expectedItemsFormat,
    bool expectedItemsNullable)
{
    var schema = Subject().GenerateSchema(type, new SchemaRepository());

    Assert.Equal("array", schema.Type);
    Assert.NotNull(schema.Items);
    Assert.Equal(expectedItemsType, schema.Items.Type);
    Assert.Equal(expectedItemsFormat, schema.Items.Format);
    Assert.Equal(expectedItemsNullable, schema.Items.Nullable); // test fail here
}

The array's item is not set to nullable. Item is expected to be nullable because input type is int?

[304NotModified]

Is this #2059?

[worming004]

Yes it is

[martincostello]

Duplicate of #2059.