fix(wrapper): repeated response header

aspnet-core/modules/mvc/LINGYUN.Abp.AspNetCore.Mvc.Idempotent.Wrapper/LINGYUN/Abp/AspNetCore/Mvc/Idempotent/Wrapper/IdempotentHttpResponseWrapper.cs

@@ -26,7 +26,10 @@ public class IdempotentHttpResponseWrapper : HttpResponseWrapper, ITransientDepe
     {
         if (context.HttpContext.Items.TryGetValue(nameof(IdempotentAttribute.RedirectUrl), out var redirectUrl) && redirectUrl != null)
         {
-            context.HttpContext.Response.Headers.Add(AbpHttpWrapConsts.AbpWrapResult, "true");
+            if (!context.HttpContext.Response.Headers.ContainsKey(AbpHttpWrapConsts.AbpWrapResult))
+            {
+                context.HttpContext.Response.Headers.Add(AbpHttpWrapConsts.AbpWrapResult, "true");
+            }
             context.HttpContext.Response.Redirect(redirectUrl.ToString());
             return;
         }

aspnet-core/modules/mvc/LINGYUN.Abp.AspNetCore.Mvc.Wrapper/LINGYUN/Abp/AspNetCore/Mvc/HttpResponseWrapper.cs

@@ -22,7 +22,10 @@ public class HttpResponseWrapper : IHttpResponseWrapper, ITransientDependency
         {
             foreach (var header in context.HttpHeaders)
             {
-                context.HttpContext.Response.Headers.Add(header.Key, header.Value);
+                if (!context.HttpContext.Response.Headers.ContainsKey(header.Key))
+                {
+                    context.HttpContext.Response.Headers.Add(header.Key, header.Value);
+                }
             }
         }
     }