[Fusion] Include internal types/fields during source schema validation (#9554)

Author: glen-84

src/HotChocolate/Fusion/benchmarks/k6/eShop.Gateway/gateway.far

@@ -8,6 +8,6 @@ namespace eShop.Reviews;
 public static partial class ProductQueries
 {
     [Lookup, Internal]
-    public static Product GetProduct([ID] string upc)
+    public static Product? GetProduct([ID] string upc)
         => new() { Upc = upc };
 }

src/HotChocolate/Fusion/benchmarks/k6/eShop.Reviews/ProductQueries.cs

@@ -8,7 +8,7 @@ type Product {
 }
 
 type Query {
-  product(upc: ID!): Product! @lookup @internal
+  product(upc: ID!): Product @lookup @internal
   review(id: ID!): Review @lookup
   user(id: ID!): User @lookup @internal
 }
@@ -43,7 +43,7 @@ type User @internal {
   id: ID!
   name: String!
 }
-            
+
 directive @internal on OBJECT | FIELD_DEFINITION
 """
 directive @internal on OBJECT | FIELD_DEFINITION

src/HotChocolate/Fusion/benchmarks/k6/eShop.Reviews/schema.graphqls

@@ -2,7 +2,6 @@
 using HotChocolate.Fusion.Errors;
 using HotChocolate.Fusion.Events;
 using HotChocolate.Fusion.Events.Contracts;
-using HotChocolate.Fusion.Extensions;
 using HotChocolate.Fusion.Logging.Contracts;
 using HotChocolate.Fusion.Results;
 using HotChocolate.Types.Mutable;
@@ -33,11 +32,6 @@ private void PublishEvents()
 
             foreach (var type in schema.Types)
             {
-                if (type is MutableObjectTypeDefinition { IsInternal: true })
-                {
-                    continue;
-                }
-
                 PublishEvent(new TypeEvent(type, schema), context);
 
                 if (type is MutableComplexTypeDefinition complexType)
@@ -46,11 +40,6 @@ private void PublishEvents()
 
                     foreach (var field in complexType.Fields)
                     {
-                        if (field.IsInternal)
-                        {
-                            continue;
-                        }
-
                         PublishEvent(new OutputFieldEvent(field, type, schema), context);
 
                         foreach (var argument in field.Arguments)