Fix Display(Name) not setting schema title on classes

src/NJsonSchema.Tests/Generation/AttributeGenerationTests.cs

@@ -354,5 +354,24 @@ public void When_property_has_required_keyword_then_it_is_required_in_Newtonsoft
             Assert.DoesNotContain("Optional", schema.RequiredProperties);
         }
 #endif
+
+#if NET6_0_OR_GREATER
+        [Display(Name = "My Title", Description = "My Description")]
+        public class ClassWithDisplayAttribute
+        {
+            public string Foo { get; set; }
+        }
+
+        [Fact]
+        public void When_class_has_Display_Name_then_schema_title_is_set()
+        {
+            // Act
+            var schema = NewtonsoftJsonSchemaGenerator.FromType<ClassWithDisplayAttribute>();
+
+            // Assert
+            Assert.Equal("My Title", schema.Title);
+            Assert.Equal("My Description", schema.Description);
+        }
+#endif
     }
 }

src/NJsonSchema/Generation/JsonSchemaGenerator.cs

@@ -545,6 +545,17 @@ protected virtual void GenerateObject(JsonSchema schema, JsonTypeDescription typ
             schema.Description = type.ToCachedType().GetDescription(Settings);
             schema.Example = GenerateExample(type.ToContextualType());
 
+            dynamic? displayAttribute = type.GetCustomAttributes(false)
+                .FirstAssignableToTypeNameOrDefault("System.ComponentModel.DataAnnotations.DisplayAttribute");
+            if (displayAttribute != null)
+            {
+                string? name = displayAttribute.GetName();
+                if (name != null)
+                {
+                    schema.Title = name;
+                }
+            }
+
             dynamic? obsoleteAttribute = type.GetCustomAttributes(false).FirstAssignableToTypeNameOrDefault("System.ObsoleteAttribute");
             if (obsoleteAttribute != null)
             {