Fixed code gen issue for Projectable extension methods using other projectable extension methods

tests/EntityFrameworkCore.Projectables.FunctionalTests/ExtensionsMethods/EntityExtensions.cs

@@ -11,6 +11,9 @@ namespace EntityFrameworkCore.Projectables.FunctionalTests.ExtensionMethods
         [Projectable]
         public static int Foo(this Entity entity) => entity.Id + 1;
 
+            [Projectable]
+            public static int Foo2(this Entity entity) => entity.Foo() + 1;
+
         [Projectable]
         public static Entity? LeadingEntity(this Entity entity, DbContext dbContext)
             => dbContext.Set<Entity>().Where(y => y.Id > entity.Id).FirstOrDefault();

tests/EntityFrameworkCore.Projectables.FunctionalTests/ExtensionsMethods/ExtensionMethodTests.SelectProjectableExtensionMethod2.verified.txt

@@ -0,0 +1,2 @@
+SELECT ([e].[Id] + 1) + 1
+FROM [Entity] AS [e]

tests/EntityFrameworkCore.Projectables.FunctionalTests/ExtensionsMethods/ExtensionMethodTests.cs

@@ -38,6 +38,17 @@ namespace EntityFrameworkCore.Projectables.FunctionalTests.ExtensionMethods
             return Verifier.Verify(query.ToQueryString());
         }
 
+        [Fact]
+        public Task SelectProjectableExtensionMethod2()
+        {
+            using var dbContext = new SampleDbContext<Entity>();
+
+            var query = dbContext.Set<Entity>()
+                .Select(x => x.Foo2());
+
+            return Verifier.Verify(query.ToQueryString());
+        }
+
         [Fact]
         public Task ExtensionMethodAcceptingDbContext()
         {