Support for const and static in projectables

tests/EntityFrameworkCore.Projectables.FunctionalTests/StaticMembersTests.FilterOnProjectableProperty.verified.txt

@@ -0,0 +1,3 @@
+SELECT [e].[Id], [e].[Price]
+FROM [Entity] AS [e]
+WHERE [e].[Price] > 1.0E0

tests/EntityFrameworkCore.Projectables.FunctionalTests/StaticMembersTests.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.Data.SqlTypes;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projectables.Extensions;
+using EntityFrameworkCore.Projectables.FunctionalTests.Helpers;
+using Microsoft.EntityFrameworkCore;
+using ScenarioTests;
+using VerifyXunit;
+using Xunit;
+
+namespace EntityFrameworkCore.Projectables.FunctionalTests
+{
+    [UsesVerify]
+    public class StaticMembersTests
+    {
+        public static class Constants
+        {
+            public static readonly double ExpensiveThreshold = 1;
+        }
+
+        public record Entity
+        {
+            public int Id { get; set; }
+
+            public double Price { get; set; }
+
+            [Projectable]
+            public bool IsExpensive => Price > Constants.ExpensiveThreshold;
+        }
+
+        [Fact]
+        public Task FilterOnProjectableProperty()
+        {
+            using var dbContext = new SampleDbContext<Entity>(Infrastructure.CompatibilityMode.Full);
+
+            var query = dbContext.Set<Entity>()
+                .Where(x => x.IsExpensive);
+
+            return Verifier.Verify(query.ToQueryString());
+        }
+    }
+}