Add support for fetching an individual lazy property with hql and lin…

…q provider (#1922)

src/NHibernate.Test/FetchLazyProperties/Address.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NHibernate.Test.FetchLazyProperties
+{
+	public class Address
+	{
+		public string City { get; set; }
+
+		public string Country { get; set; }
+
+		public Continent Continent { get; set; }
+	}
+}

src/NHibernate.Test/FetchLazyProperties/Animal.cs

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+
+namespace NHibernate.Test.FetchLazyProperties
+{
+	public abstract class Animal
+	{
+		public virtual int Id { get; set; }
+
+		public virtual int Formula { get; set; }
+
+		public virtual string Name { get; set; }
+
+		public virtual Address Address { get; set; }
+
+		public virtual byte[] Image { get; set; }
+
+		public virtual Person Owner { get; set; }
+	}
+}

src/NHibernate.Test/FetchLazyProperties/Cat.cs

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+
+namespace NHibernate.Test.FetchLazyProperties
+{
+	public class Cat : Animal
+	{
+		public virtual string SecondFormula { get; set; }
+
+		public virtual byte[] SecondImage { get; set; }
+	}
+}

src/NHibernate.Test/FetchLazyProperties/Continent.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NHibernate.Test.FetchLazyProperties
+{
+	public class Continent
+	{
+		public virtual int Id { get; set; }
+
+		public virtual string Name { get; set; }
+	}
+}

src/NHibernate.Test/FetchLazyProperties/Dog.cs

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+
+namespace NHibernate.Test.FetchLazyProperties
+{
+	public class Dog : Animal
+	{
+	}
+}