Use Type as key

Author: joadan

src/Blazor-ApexCharts/ChartSerializer.cs

@@ -1,12 +1,13 @@
 using ApexCharts.Models;
+using System;
 using System.Collections.Generic;
 using System.Text.Json;
 
 namespace BlazorApexCharts
 {
     public class ChartSerializer
     {
-        private static Dictionary<object, JsonSerializerOptions> _serializerOptions = new Dictionary<object, JsonSerializerOptions>();
+        private static Dictionary<Type, JsonSerializerOptions> _serializerOptions = new Dictionary<Type, JsonSerializerOptions>();
 
         private JsonSerializerOptions GenerateOptions<TItem>() where TItem : class
         {