Used non-escaped text from XML doc summary for descriptions (#7563)

src/HotChocolate/Core/src/Types/Types/Descriptors/Conventions/XmlDocumentationProvider.cs

@@ -156,10 +156,13 @@ private static void AppendText(
 
         foreach (var node in element.Nodes())
         {
-            var currentElement = node as XElement;
-            if (currentElement is null)
+            if (node is not XElement currentElement)
             {
-                description.Append(node);
+                if (node is XText text)
+                {
+                    description.Append(text.Value);
+                }
+
                 continue;
             }
 

src/HotChocolate/Core/test/Types.Tests.Documentation/ClassWithSummary.cs

@@ -1,9 +1,6 @@
-namespace HotChocolate.Types.Descriptors
-{
-    /// <summary>
-    /// I am a test class.
-    /// </summary>
-    public class ClassWithSummary
-    {
-    }
-}
+namespace HotChocolate.Types.Descriptors;
+
+/// <summary>
+/// I am a test class. This should not be escaped: >
+/// </summary>
+public class ClassWithSummary;

src/HotChocolate/Core/test/Types.Tests/Types/Descriptors/Conventions/XmlDocumentationProviderTests.cs

@@ -316,7 +316,7 @@ public void When_class_has_description_then_it_is_converted()
             typeof(ClassWithSummary));
 
         // assert
-        Assert.Equal("I am a test class.", description);
+        Assert.Equal("I am a test class. This should not be escaped: >", description);
     }
 
     [Fact]