Fixed issue when sorting by a top-level property after a nested property (#8356)

Author: glen-84

src/HotChocolate/Data/src/Data/Sorting/Context/SortingContext.cs

@@ -196,6 +196,7 @@ protected override ISyntaxVisitorAction Leave(
             else
             {
                 context.Types.Pop();
+                context.Parents.Pop();
             }
 
             return base.Leave(node, context);

src/HotChocolate/Data/test/Data.Sorting.Tests/IntegrationTests.cs

@@ -44,7 +44,7 @@ public async Task Sorting_Should_Work_When_Nested()
 
         const string query = @"
         {
-            books(order: [{ author: { name: ASC } }]) {
+            books(order: [{ author: { name: ASC, age: ASC }, title: DESC }]) {
                 title
                 author {
                     name
@@ -75,9 +75,9 @@ public IEnumerable<Foo> Foos() =>
     public IEnumerable<Book> GetBooks(QueryContext<Book> queryContext)
         => new[]
             {
-                new Book { Title = "Book5", Author = new Author { Name = "Author6" } },
-                new Book { Title = "Book7", Author = new Author { Name = "Author17" } },
-                new Book { Title = "Book1", Author = new Author { Name = "Author5" } }
+                new Book { Title = "Book5", Author = new Author { Age = 30, Name = "Author6" } },
+                new Book { Title = "Book7", Author = new Author { Age = 34, Name = "Author17" } },
+                new Book { Title = "Book1", Author = new Author { Age = 50, Name = "Author5" } }
             }
             .AsQueryable()
             .With(queryContext);
@@ -93,6 +93,8 @@ public class Author
 {
     public string Name { get; set; } = string.Empty;
 
+    public int Age { get; set; }
+
     [UseSorting]
     public Book[] Books { get; set; } = [];
 }