fix: Fixes JSON TypeConverter so that it can deserialize full name types (#1466)

Projects/Server.Tests/Tests/Serialization/TypeConverterTests.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Buffers;
+using System.Text.Json;
+
+using Server.Json;
+
+using Xunit;
+
+namespace Server.Tests;
+
+public class TypeConverterTests : IClassFixture<ServerFixture>
+{
+    [Fact]
+    public void TestReadAfterWrite()
+    {
+        // Arrange
+        Type itemType = typeof(Item);
+
+        JsonSerializerOptions options = new JsonSerializerOptions();
+
+        TypeConverter converter = new TypeConverter();
+        var bufferWriter = new ArrayBufferWriter<byte>();
+        using var jsonWriter = new Utf8JsonWriter(bufferWriter);
+        converter.Write(jsonWriter, itemType, options);
+
+        // Act
+        jsonWriter.Flush();
+        var jsonData = bufferWriter.WrittenSpan;
+
+        Utf8JsonReader jsonReader = new Utf8JsonReader(jsonData);
+        jsonReader.Read();
+
+        // Assert
+        Type readType = converter.Read(ref jsonReader, typeof(Type), options);
+        Assert.Equal(typeof(Item), readType);
+    }
+}