fix: 修复删除消息接口参数绑定方式

将 DeleteAsync 方法的参数绑定由 FromBody 调整为 FromQuery，避免在删除消息时参数无法正确接收的问题

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/Chat/MessageService.cs

@@ -46,7 +46,7 @@ public class MessageService : ApplicationService
     /// </summary>
     /// <param name="input">删除参数，包含消息Id列表和是否删除后续消息的开关</param>
     [Authorize]
-    public async Task DeleteAsync([FromBody] MessageDeleteInput input)
+    public async Task DeleteAsync([FromQuery] MessageDeleteInput input)
     {
         var userId = CurrentUser.GetId();