refactor(ioc): 简化依赖注入容器中的列表初始化语法

- 使用集合表达式替代显式创建List<object>实例
- 统一代码风格，提高可读性
- 减少不必要的类型声明冗余
- [no tag]

GFramework.Core/ioc/IocContainer.cs

@@ -32,7 +32,7 @@ public class IocContainer
                 $"Singleton already registered for type: {type.Name}");
         }
 
-        _instances[type] = new List<object> { instance! };
+        _instances[type] = [instance!];
     }
 
     /// <summary>
@@ -82,7 +82,7 @@ public class IocContainer
     {
         if (!_instances.TryGetValue(type, out var list))
         {
-            list = new List<object>();
+            list = [];
             _instances[type] = list;
         }