Fixed duplicate setting menu problem

MVC UI doesn't add the setting menu if blazor server UI is being used.

modules/setting-management/src/Volo.Abp.SettingManagement.Blazor/Menus/SettingManagementMenuContributor.cs

@@ -21,8 +21,7 @@ namespace Volo.Abp.SettingManagement.Blazor.Menus
         {
             var settingManagementPageOptions = context.ServiceProvider.GetRequiredService<IOptions<SettingManagementComponentOptions>>().Value;
             var settingPageCreationContext = new SettingComponentCreationContext(context.ServiceProvider);
-            if (
-                !settingManagementPageOptions.Contributors.Any() ||
+            if (!settingManagementPageOptions.Contributors.Any() ||
                 !(await CheckAnyOfPagePermissionsGranted(settingManagementPageOptions, settingPageCreationContext))
             )
             {
@@ -31,6 +30,10 @@ namespace Volo.Abp.SettingManagement.Blazor.Menus
 
             var l = context.GetLocalizer<AbpSettingManagementResource>();
 
+            /* This may happen if MVC UI is being used in the same application.
+             * In this case, we are removing the MVC setting management UI. */
+            context.Menu.GetAdministration().TryRemoveMenuItem(SettingManagementMenus.GroupName);
+            
             context.Menu
                 .GetAdministration()
                 .AddItem(

modules/setting-management/src/Volo.Abp.SettingManagement.Web/Navigation/SettingManagementMainMenuContributor.cs

@@ -19,12 +19,17 @@ namespace Volo.Abp.SettingManagement.Web.Navigation
                 return;
             }
 
+            if (context.Menu.FindMenuItem(SettingManagementMenuNames.GroupName) != null)
+            {
+                /* This may happen if blazor server UI is being used in the same application.
+                 * In this case, we don't add the MVC setting management UI. */
+                return;
+            }
+
             var settingManagementPageOptions = context.ServiceProvider.GetRequiredService<IOptions<SettingManagementPageOptions>>().Value;
             var settingPageCreationContext = new SettingPageCreationContext(context.ServiceProvider);
-            if (
-                !settingManagementPageOptions.Contributors.Any() ||
-                !(await CheckAnyOfPagePermissionsGranted(settingManagementPageOptions, settingPageCreationContext))
-                )
+            if (!settingManagementPageOptions.Contributors.Any() ||
+                !(await CheckAnyOfPagePermissionsGranted(settingManagementPageOptions, settingPageCreationContext)))
             {
                 return;
             }

modules/setting-management/src/Volo.Abp.SettingManagement.Web/Pages/SettingManagement/Index.cshtml.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Options;
 using Microsoft.AspNetCore.Mvc;