Fixed SerializeAs SerializationType Inference (#8871)

Author: michaelstaib

src/HotChocolate/Core/src/Types/Types/Composite/Directives/SerializeAs.cs

@@ -79,6 +79,7 @@ protected override void OnConfigure(
                     else if (typeArg is not null && listValue is null)
                     {
                         listValue = [(EnumValueNode)typeArg, map[types.Current]];
+                        typeArg = null;
                     }
                     else
                     {

src/HotChocolate/Core/test/Types.Tests/Types/Composite/SerializeAsTests.cs

@@ -32,14 +32,36 @@ public static async Task SerializeAs_Is_Added()
 
     public class Query
     {
-        [GraphQLType<NonNullType<CustomString>>]
+        [GraphQLType<NonNullType<CustomString1>>]
         public string GetFoo() => "foo";
+
+        [GraphQLType<NonNullType<CustomString2>>]
+        public string GetBar() => "foo";
+
+        [GraphQLType<NonNullType<CustomString3>>]
+        public string GetBaz() => "foo";
     }
 
     [SerializeAs(ScalarSerializationType.String)]
-    public class CustomString : StringType
+    public class CustomString1 : StringType
+    {
+        public CustomString1() : base("Custom1")
+        {
+        }
+    }
+
+    [SerializeAs(ScalarSerializationType.Any)]
+    public class CustomString2 : StringType
+    {
+        public CustomString2() : base("Custom2")
+        {
+        }
+    }
+
+    [SerializeAs(ScalarSerializationType.String, "\\b\\d{3}\\b")]
+    public class CustomString3 : StringType
     {
-        public CustomString() : base("Custom")
+        public CustomString3() : base("Custom3")
         {
         }
     }

src/HotChocolate/Core/test/Types.Tests/Types/Composite/__snapshots__/SerializeAsTests.SerializeAs_Is_Added.graphql

@@ -3,7 +3,9 @@ schema {
 }
 
 type Query {
-  foo: Custom!
+  foo: Custom1!
+  bar: Custom2!
+  baz: Custom3!
 }
 
 "Defines the possible serialization types for GraphQL scalar values."
@@ -24,4 +26,8 @@ enum ScalarSerializationType {
 
 directive @serializeAs("The primitive type a scalar is serialized to." type: [ScalarSerializationType!]! "The ECMA-262 regex pattern that the serialized scalar value conforms to." pattern: String) on SCALAR
 
-scalar Custom @serializeAs(type: STRING)
+scalar Custom1 @serializeAs(type: STRING)
+
+scalar Custom2 @serializeAs(type: [ STRING, BOOLEAN, INT, FLOAT, OBJECT, LIST ])
+
+scalar Custom3 @serializeAs(type: STRING, pattern: "\\b\\d{3}\\b")

src/HotChocolate/Core/test/Types.Tests/Types/Composite/__snapshots__/SerializeAsTests.SerializeAs_Is_Not_Added.graphql

@@ -3,7 +3,13 @@ schema {
 }
 
 type Query {
-  foo: Custom!
+  foo: Custom1!
+  bar: Custom2!
+  baz: Custom3!
 }
 
-scalar Custom
+scalar Custom1
+
+scalar Custom2
+
+scalar Custom3